JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.
S1 Midterm
Sign in to Google
to save your progress.
Learn more
Name (last, first)
Your answer
Period
2
3
6
Clear selection
email
Your answer
1. Which of the following is an ionic compound?
NO₂
SO₂
Na₂O
CO₂
Clear selection
2. Which is the safe way to dilute an acid with water?
add acid to water
add water to acid
Clear selection
3. The atomic mass of Magnesium is _______ amu, and the atomic number is ________?
12, 24
24.3, 12
24, 12
12, 24.3
Clear selection
4. Sodium has _____ protons, ______ neutrons, and _______ electrons
11,23, 11
23, 11, 12
11, 12, 12
11, 12, 13
11, 12, 11
Clear selection
5. If a proton were removed from an atom of nitrogen
it would become a carbon atom
it would become an oxygen atom
it would still become a noble gas
it would become an isotope of carbon
Clear selection
6. An semi-metal that would have the same number of energy levels as phosphorus is
carbon
nitrogen
silicon
arsenic
neon
Clear selection
7. An atom of which element would have the same number of valence electrons as sulfur?
phosphorus
carbon
nitrogen
fluorine
oxygen
Clear selection
8. Rutherford proved in his gold foil experiment that most of an atom is composed of
particles
the nucleus
empty space
Clear selection
9. An atom that had 2 protons, 2 neutrons and 2 electrons would have a mass number of
2
4
6
8
Clear selection
10. The electrons are attracted to the positively charged nucleus by ____________________ forces, and the particles in the nucleus are held together by stonger ___________________ forces
nuclear, electrostatic
electrostatic, atomic
electrostatic, nuclear
electron, nuclear
Clear selection
11. Isotopes have a different
number of protons
number of neutrons
atomic number
number of electrons
Clear selection
12. Which of the following would be attracted together by electrostatic forces (choose 2)
two protons
two electrons
a cation and an anion
an electron and a neutron
an electron and a proton
13. Melting point (temperature at which a (substance melts) is a (choose 2)
qualitative property of a substance
quantitative property of a substance
physical property of a substance
chemical property of a substance
14. Which of these is a chemical change?
boiling
melting
reacting with oxygen
breaking into smaller pieces
dissolving into water
Clear selection
15. The image below represents (check 3)
5 molecules of a compound
5 atoms of an element
5 molecules each having 3 atoms
molecules made of two types of atoms
a mixture of elements
16. This image represents a substance that is
a pure substance
not a pure substance
17. Which of the following is not a quantitative physical property?
mass
volume
density
melting point
color
Clear selection
18. The following represents the way a water molecule would looks. Would it look the same way after it undergoes a physical change such as melting?
yes
no
Clear selection
19. All matter has
mass
volume
both mass and volume
neither mass or volume
Clear selection
20. If an atom has 20 protons and 18 electrons it would be considered
an isotope
an ion
a neutral atom
a radioactive particle
unstable
Clear selection
21. What is true of chlorine using the notation below
it has 17 neutrons
it represents an ion that has lost one electron
it represents an ion that has gained one electron
it has 17 protons and 17 electrons
it has 36 protons
Clear selection
22. What is the charge of a magnesium ion?
0
+1
+2
-2
-1
Clear selection
23. The image below could represent a molecule of which of the following elements?
oxygen
carbon
iron
calcium
magnesium
Clear selection
24. How many different element symbols would be used in the formula of a substance made of these molecules?
2
3
4
5
6
Clear selection
25. Would the substance below be a pure substance with consistent physical and chemical properties?
yes because it is an element
no because it is a mixture of elements
no because it is a compound
yes because it is a mixture of compounds
Clear selection
26. A chlorine ion will have a charge of ________ and will be a ________________
+1 , anion
+1, cation
-1 anion
-1 cation
Clear selection
27. Which of the following is not a metal?
lithium
iron
sulfur
uranium
aluminum
Clear selection
28. How many total electrons will an oxygen atom have after it becomes an ion?
6
9
8
10
11
Clear selection
29. The group 7A family is called the
alkali metals
noble gases
halogens
alkaline earth metals
non- metals
Clear selection
30. What causes the different colors we see in the flame tests?
electrons of metal ions releasing energy as visible light when returning back to lower energy levels
electrons of non-metal ions releasing energy as visible light when returning back to lower energy levels
electrons of metal ions absorbing heat energy and moving to higher energy levels
electrons of non-metal ions absorbing heat energy and moving to higher energy levels
Clear selection
31. Which of the following elements has the greatest ability to attract an electron (electronegativity)?
francium
copper
aluminum
sodium
oxygen
Clear selection
32. Which of the following has the largest atomic radius?
fluorine
cesium
nitrogen
potassium
Clear selection
33. What does the following graph show about ionization energy (the energy it takes to remove an electron) choose 2
It increases across rows of the periodic table
it decreases across rows of the periodic table
it increases down groups of the periodic table
it decreases down groups of the periodic table
34. By looking at the periodic table, which metal do you predict to be most reactive?
aluminum
lithium
calcium
zinc
gold
Clear selection
metal reactivity chart
Your answer
35. Using the metal reactivity chart above, is this reaction likely to occur?
no because zinc is more reactive than copper
yes because zinc is more reactive than copper
no because copper is more reactive than zinc
yes because copper is more reactive than copper
Clear selection
36. A pH of 6 is considered
acidic
neutral
basic
abnormal
Clear selection
37. The nitrogen containing compound that plants are able to best use is
ammonia
nitrite
nitrate
nitrogen gas
Clear selection
38. pH is an indication of the amount of which ion?
O2-
H+
Na+
Cl-
P-3
Clear selection
39. Which ions form the compound CaCl₂?
Ca⁺ and Cl ⁻²
Ca⁻ and Cl⁺²
Ca⁺ ² and Cl ⁻²
Ca⁺² and Cl ⁻
Clear selection
40. What ions bond together to form the compound iron III sulfide?
Fe ⁺² and S ⁻³
Fe ⁺³ and S ⁻²
Fe⁻ ³ SO ⁺²
Fe ⁻ ³ and S ⁺²
Fe ⁺² and SO⁻³
Clear selection
41. Which of the following is the correct ionic compound formula for sodium iodide?
NaI
Na₃I₂
Na₂I
NaI₂
Clear selection
42. At standard temperature, the element argon is a
gas
liquid
solid
plasma
Clear selection
43. Cations have a ______________ charge and are ______________ than the atoms from which they are formed from.
negative/larger
positive/smaller
positive/larger
negative/smaller
Clear selection
44. Neon belongs to the family of
noble gases
alkali metals
non-metals
halogens
transition metals
Clear selection
45. Which of the following is a metalloid (semi-metal) with three energy levels of electrons?
aluminum
silicon
arsenic
phosphorus
Clear selection
46. What is the name of SrS?
strontium sulfur
strontium sulfate
strontium II sulfide
strontium sulfide
Clear selection
47. What will be the charge when a phosphorus atom becomes an ion?
+3
-3
-5
+5
-2
Clear selection
48. Which of the following pairs of elements COULD react to form an ionic compound?
potassium and calcium
sulfur and oxygen
fluorine and copper
hydrogen and oxygen
Clear selection
49. Which is the correct Lewis dot for potassium?
Option 1
Option 2
Option 3
Option 4
Clear selection
50. Which of the following sets of elements could replace the generic "X" symbol with their own to produce a valid dot notation for the element(s)?
Ne
Kr
S²⁻
Cl⁻
all the above
Clear selection
51. Ionic compounds are ordinarily found as
plasma
liquids
crystals
gases
Clear selection
52. Which compound would most likely have the highest electrical conductivity when it is dissolved in water?
sugar
KBr
C₂H₂
N₂
Clear selection
53. What is the formula mass of sodium chloride? (rounded to nearest whole number)
58g
42g
41g
50g
Clear selection
54. What is the formula mass of calcium hydroxide, Ca(OH)₂ rounded to the nearest whole number?
78g
98g
74g
58g
Clear selection
55. What is the formula mass of water?
18g
36g
33g
10g
Clear selection
56. What is the most awesome class you are taking this year? (There is only one right answer)
Applied Chemistry
something else
Clear selection
Submit
Clear form
Never submit passwords through Google Forms.
This content is neither created nor endorsed by Google.
Report Abuse
-
Terms of Service
-
Privacy Policy
Forms
