WorksheetsChemistry Unit 1 Quiz Review
Total questions: 20
Worksheet time: 14mins
Which of the following is a nonmetal?
Arsenic
Oxygen
Magnesium
Iron
Which of the following elements is an alkali metal?
helium (He)
iron (Fe)
barium (Ba)
potassium (K)
What group on the periodic table are halogens in?
Alkali metals
Group 17
Period 5
Group 12
Elements in the same (a) have the same number of valence electrons
What group on the periodic table are noble gases in?
15
18
10
20
Which element has an atomic number that is four more than the noble gas in period 2?
Oxygen (O)
Nitrogen (N)
Silicon (Si)
Boron (B)
What does an element's atomic number represent?
Number of protons in the nucleus of an atom
Number of neutrons in the nucleus
Number of electrons in the outer shell
Number of isotopes in the element
What does an element's atomic mass represent?
The atomic mass of an element represents the density of the element.
The atomic mass of an element represents the average mass of an atom of that element.
The atomic mass of an element represents the number of electrons in its outer shell.
The atomic mass of an element represents the number of protons in its nucleus.
How many valence electrons does an element in group 1 have?
2
7
10
1
A (a) is a positively charged ion.
(a) electrons are found in inside (inner) energy levels.
What is the element with 17 protons, 18 neutrons, and 18 electrons?
(a)
What is an isotope?
Atoms with the same number of protons and electrons
Molecules with different numbers of protons
Elements with the same number of neutrons
Atoms of the same element with the same number of protons but different numbers of neutrons.
What is an ion?
An ion is a type of rock commonly found in caves.
An atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons.
An ion is a form of currency used in ancient civilizations.
An ion is a type of gas found in the atmosphere.
What is a neutral atom?
An atom with an equal number of protons and electrons.
An atom with an equal number of neutrons and electrons.
An atom with an equal number of electrons and photons.
An atom with an equal number of protons and positrons.
How many electrons are present in
Ca2+?
18
22
20
16
Where is a valence electron located?
In the middle of the atom
Nucleus
Outermost energy level
Innermost energy level
What element can be found in group 15, period 3?
Oxygen
Arsenic
Phosphorus
Nitrogen
Where can transition metals be found on the Periodic Table?
At the top of the Periodic Table
In the middle section of the Periodic Table, specifically in groups 3-12.
Only in the lanthanides and actinides
In groups 1 and 2 of the Periodic Table
Which of the following is a metalloid?
Boron (B)
Xenon (Xe)
Helium (He)
Magnesium (Mg)
