Test 2- Atoms and the Periodic Table
Study Guide!
CRCT Review: Properties and States of Matter
1. Highlight/cirlce everything that is matter.
Smoke
Light
Love
Trees
Water
2. The amount of space something takes up is called volume
3. Highlight/Circle all the physical properties and underline the chemical
properties
Color
Density
Ability to burn
Texture
Mass
Ability to rust
4. Solid to a liquid is called melting
5. Liquid to a gas is called evaporation
6. Do particles in all solids, liquids, and gases move? yes
a. How do they move in a solid? Vibrate in place
i. In a liquid? Medium speed, roll around
ii. In a gas? Very fast and far apart.
Atoms:
7. Has the atomic model always looked like the one below? Why or why not?
No- because science always changes!
8. List all the scientists who helped develop the atomic theory. Democritus,
Dalton, Bohr, Rutherford
9. What is the smallest part of matter called? atom
10.Label the following diagram with the following: protons, neutrons,
electrons and nucleus.
Proton
Nucleus
Neutron
Electron
11.Complete the chart:
Particle
Charge
(0, -, +)
Location
(inside or outside
the nucleus)
Mass
(a lot or little)
Proton
+
Inside
A lot
Neutron
Electron
0
-
Inside
outside
A lot
A little
12. Name the elements represented by the following atomic models:
oxygen
lithium
helium
iron
Elements:
13. How many elements are there?
a. 3
b. 4
c. Over 100
d. Millions
14.Circle all the words that are the names of elements.
Air
Helium
Hydrogen
Iron
Sunlight
Water
15. Label each part of the element square below
8
O
Oxygen
16
Atomic Number
Symbol
Name
Atomic mass
16. What number tells the number of protons in an element:
atomic number or atomic mass?
17. The number of protons equals the number of electrons
18. How do you find the number of neutrons in an atom? (This has math!!)
atomic mass – atomic number (big number – small number)
19. Atomic #: 26
Atomic mass: 55.847
Element name: Iron
Element symbol: Fe
# of protons: 26
# of electrons: 26
# of neutrons: 30
20. Atomic #: 15
Atomic mass: 30.974
Element name: phosphorous
Element symbol: P
# of protons: 15
# of electrons: 15
# of neutrons: 15
Periodic Table of Elements:
21. The periodic table lists all the elements in order of increasing atomic
number
22. What are the vertical (up and down) columns called? groups
23.What are the horizontal (left to right) rows called? periods
24.How many periods and groups are there on the periodic table? Groups: 18
periods:7
25. In the periodic table, elements in the same group have many of the same
properties.
26. What are the 3 classifications of elements?
a. metals
b. metalloids
c. nonmetals
27.Where are metals located on the table:
right of the zigzag, left of the zigzag or bordering the zigzag?
28.Where are nonmetals found on the table:
right of the zigzag, left of the zigzag or bordering the zigzag?
29.Where are metalloids found on the table:
right of the zigzag, left of the zigzag or bordering the zigzag?
30.metalloids share characteristics of both metals and nonmetals.
31.List 3 properties of metals and nonmetals:
a. Metals
i. Most are solids at room temperature
ii. shiny
iii. good conductors of electricity
b. Nonmetals:
i. Most are gases at room temperature
ii. Not shiny
iii. Poor conductors
32.For each of the following elements label if they are a metal, nonmetal, or
metalloid.
a. Oxygen (O) nonmetal
b. Arsenic (As) metallic
c. Carbon (C) nonmetal
d. Potassium (K)metal
e. Silicon (Si) metalloid
f. Tin (Sn) metal
33. Give the names of the following groups:
a. Group 1: Alkali metals
b. Group 2: Alkaline earth metals
c. Groups 3-12: transition metals
d. Group 17: halogens
e. Group 18: noble gases
34.Which of the above groups contains the most reactive nonmetals?
Halogens
35.Which of the above groups contains the most reactive metals? Alkali metals
36.Which of the above groups contains the least reactive nonmetals? Noble
gases
37.Name 2 elements that belong to the alkaline-earth metals.
a. calcium
b. barium
38.Name 2 elements that belong to the transition metals.
a. nickel
b. gold
39. Using your periodic table, name the element that lives in group 6 period 4.
chromium
40.Using your periodic table, name the element that has 37 protons. rubidium