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WorksheetsUnit review
Total questions: 50
Worksheet time: 43mins
What is the name of an element that has additional Neutrons?
(a)
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
A horizontal row of elements in the periodic table
Molecule
Period
Family
Atom
The smallest particle of an element.
Element
Molecule
Atom
A substance that cannot be broken down into other substances by chemical or physical means.
Covalent bond
Atom
Element
What is a chemical symbol?
separates metals from nonmetals
1 of 2 letters that represent an element
electrons in the outermost energy level of an atom
a table that hows the elements
What is atomic mass?
electrons in the outermost energy level
the number of protons in an atom
separates metals from nonmetals
number of protons and neutrons in nucleus
What are valence electrons?
separate metals from nonmetals
number of protons and neutrons in nucleus
electrons in the outermost energy level of an atom
a table that shows the elements
Which is a metal?
He
helium
Cu
Copper
Po
Polonium
C
Carbon
Which is a nonmetal?
Fe
Iron
Ti
Titanium
O
Oxygen
Au
Gold
What does the number 7 represent on this periodic table square?
atomic number
atomic mass
element symbol
element name
What does the Ne in this periodic table square represent?
atomic number
atomic symbol
atomic mass
scientific name
What does the 18.998 represent in this periodic table square?
atomic number
atomic symbol
atomic mass
scientific name
How many electrons does this element have?
20.1797
10
11
10.1797
Which element has an atomic mass of 65.39?
Terbium
Phosphorus
Zinc
Antimony
How many protons does Helium have?
1
2
4
10
Which of the following is the chemical symbol for Lead?
Pb
Le
La
Lr
Which of the following is the chemical symbol for Cobalt?
Co
C
Ca
Cr
Which of the following is the chemical symbol for Gold?
Ga
Au
Gd
Ge
Which of the following is the chemical symbol for Nitrogen?
Ni
Ne
No
N
Which of the following is the chemical symbol for Oxygen?
O
Ox
CO2
O2
Which of the following is the chemical symbol for Helium?
Hu
He
Hi
H
Which of the following is the chemical symbol for Carbon?
Ca
Cr
C
Fe
When the particles in a solid gain enough energy to become a liquid we call this process______
Freezing
Melting
Boiling
Sublimation
The water that sticks to the outside of a cold can of coke is an example of ______.
Melting
Evaporation
Freezing
Condensation
Particles in a liquid move more than particles in a gas
True
False
What is it called when a solid reaches a specific temperature and becomes a liquid
Liquification
Melting Point
Boiling Point
Charles's Law
What state of matter occurs when a liquid gains enough energy to break the bonds holding it together and move freely.
Solid
Liquid
Gas
Plasma
The heating and cooling of molecules will make substances change their state of matter
True
False
The atoms in a solid move slower than atoms in a liquid
True
False
Sub-atomic particles found in the nucleus
(a)
(a) do not contribute significantly to the mass of an atom.
The hotter a substance the more ______ _______ it has.
(a)
The energy a substance has because of its motion (a)
The mass of an atom is primarily in the
(a)
A negatively charged atom has more (a)
A positively charged atom has more
(a)
Electrons are in shells (a) the nucleus.
Use the picture to answer the question. How many protons are in the element sodium?
22.990
11
22
23
