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WorksheetsAtoms and the Periodic Table
Total questions: 20
Worksheet time: 15mins
The vertical (up and down) columns in the Periodic Table are called:
Groups
Periods
Compounds
Elements
Sodium (Na) is found in which period?
1
2
3
4
The atomic number tells you what?
The number of electrons
the number of neutrons
The number of protons
The group number
What does the 4 represent?
period number
element name
atomic number
chemical symbol
Which of the following are found on the Periodic Table?
Elements
Molecules
Compounds
Atoms
The horizontal (side to side) rows in the Periodic Table are called:
Groups
Periods
Families
Elements
The building blocks of all matter is:
cells
atoms
elements
mass
A collection of the same type of atom is a(n):
Compound
Molecule
Proton
Element
The positively charged part of an atom that is found in the nucleus is the:
Proton
Electron
Neutron
Element
What part of an atom has no charge and is found in the nucleus?
Proton
Electron
Neutron
Element
Which of the following are the three main groups on the periodic table?
Metal
Nonmetal
Period
Metalloid
What does the number of protons in an atom tell us?
The number of electrons
The atomic mass
The atomic number
The number of neutrons
Which of the following is an element and a molecule?
O
H2O
H2
C6H12O6
How many electrons are needed to make the element in the picture neutral?
4
8
16
32
If an atom has 6 protons, 7 neutrons, and 6 electrons, what is its charge?
positive
negative
neutral
not enough information
A nucleus of an atom contains what two parts?
electrons and protons
protons and neutrons
neutrons and electrons
groups and periods
If an atom has 11 protons and 9 electrons, what would its atomic number be?
2
9
11
20
What charge does an atoms nucleus have?
Positive
Neutral
Negative
Either positive or negative
A Sodium atom has 11 protons and 10 electrons. What is its charge?
+11
+1
-1
-10
The __ elements are in the upper left of the periodic table, while the __ elements are found in the lower right.
Heaviest, Lightest
Gas, Solid
Lightest, Heaviest
Nonmetal, Metal
