Which of the following is the correct symbol for sodium?
S
Na
So
N
The atomic number of Beryllium is 4. Its mass number is 9.0122. How many neutrons does an atom of Beryllium have in its nucleus?
4
4.0122
5.0122
6
In which of the following states is Chlorine found at room temperature?
solid
liquid
gas
plasma
The atomic number of an element is the number of _______ it has.
protons
neutrons
electrons
protons and neutrons
The mass number of an element is the amount of _________ it has.
protons
protons and neutrons
electrons
neutrons
Which term describes Neon?
metal
metalloid
transition metal
nonmetal
Which of the following elements is an example of an element that conducts electricity?
Aluminum
Helium
Boron
Neon
The periodic table is organized into columns called _______ and rows called ______.
groups and periods
periods and groups
categories and periods
categories and groups
Which element would you expect to be located in group 2 of the periodic table?
Lithium
Carbon
Sulfur
Beryllium
Which of the following subatomic particles is negatively charged?
neutron
proton
electron
megatron
Which particle does not have a charge?
neutron
proton
electron
megatron
Which particle has a positive charge?
neutron
electron
proton
megatron
An atoms nucleus has a _________ charge.
positive
negative
neutral
non
An elements ________ number determines its identity.
mass
atomic
nucleus
symbol
Which of the following best describes the three general groups of elements?
solids, liquids, gas
metals, nonmetals, gases
metals, nonmetals, metalloids
metals, metalloids, synthetics
An ionized atom of of Sodium has 11 protons and 10 electrons. What is its atomic charge?
+11
+1
-1
-10
An ionized atom of Nitrogen has 7 protons and 10 electrons. What is its atomic charge?
+7
-10
+3
-3
An atom of zinc has 33 protons and 33 electrons. What is its atomic charge?
+33
-33
+66
0-Neutral
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