Atoms and Periodic Table of Elements

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

Tags

NGSS.MS-PS1-1

In which of the following states is Chlorine found at room temperature?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

The atomic number of an element is the number of _______ it has.

• protons

• neutrons

• electrons

• protons and neutrons

Tags

NGSS.MS-PS1-1

Which term describes Neon?

• metal

• metalloid

• transition metal

• nonmetal

Tags

NGSS.MS-PS1-1

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

Tags

NGSS.MS-PS1-1

An atoms nucleus has a _________ charge.

• positive

• negative

• neutral

• non

Tags

NGSS.MS-PS1-1

An elements ________ number determines its identity.

• mass

• atomic

• nucleus

• symbol

Tags

NGSS.MS-PS1-1

Which of the following best describes the three general groups of elements?

• solids, liquids, gas

• metals, nonmetals, gases

• metals, nonmetals, metalloids

• metals, metalloids, synthetics