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Periodic Table 1
Periodic Table 2
Compounds/Mixtures
Metals/Nonmetals
Atoms
100
The vertical columns are called ____________.
Groups
100

_________________________ is the table that organizes all of the known elements.

The Periodic Table of Elements

100
Give 1 example of a compound.
H2O, NaCl, CO2
100
Is helium a metal or a nonmetal?
Nonmetal
100
____________ make up elements and matter.
Atoms
200
The horizontal rows are called _______________.
Periods
200
Give one element that reacts similarly to oxygen.
S, Se, Te, etc
200
Classify the following as either elements or compounds. Na OH CO Au
Elements: Na, Au Compounds: CO, OH
200
Are most elements in the Periodic Table metals or nonmetals?
Metals
200
What are the positively charged parts of an atom?
Protons
300
What group are the Noble Gases in?
Group 18
300
Elements that are in the same group _________________. a) have the same atomic mass b) react similarly c) are nonmetals d) are Noble Gases
b) react similarly
300
H2O is not found on the Periodic Table of Elements, because it is a ____________. a) mixture b) liquid c) element d) compound
d) compound
300
The elements touching the "zigzag line" are called what?
Metalloids
300
What are the neutral parts of an atom called, and where are they found?
Neutrons, in the nucleus.
400

The atomic number of an element is equal to:

________________ and _________________

# of protons and # of electrons

400

How many protons are in the element Bromine (Br)?

35

400
What is the difference between a compound and a mixture?
Compounds are made up of 2 or more chemically bonded elements, and mixtures are made up of elements that are not bonded together.
400

Classify the following elements as either metals, nonmetals, or metalloids: Cd, Br, Cu, P, Si

Metals: Cd, Cu

Nonmetals: Br, P

Metalloid: Si

400
What are the negatively charged parts of an atom called, and where are they found?
Electrons, revolving around the atom.
500

The atomic mass of an element is equal to: 

The # of protons + the # of neutrons in the nucleus

500

How many protons, electrons, and neutrons are in the element Argon (Ar)?

Protons = 18

Electrons = 18

Neutrons = 22

500

How many atoms are in one H2O molecule?

3

500

What are 3 properties that metals have?

Luster, malleable, ductile, good conductors of heat & electricity, reactivity 

500

How can you find the number of protons, electrons, and neutrons in an atom, using the Periodic Table?

# of protons = atomic number

# of electrons = atomic number

# of neutrons = atomic mass - atomic number