Atoms and the Periodic Table

The subatomic particle(s) found in the nucleus of an atom

• Proton and electron

• Neutron and electron

• Protons and neutron

• Neutron and proton

Which of these subatomic particles are in the nucleus?

• Protons

• Electrons

• Neutrons

• Seven

Neutrons have (blank) charge.

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

Which of the following subatomic particles is negatively charged?

• neutron

• proton

• electron

• megatron

Tags

NGSS.MS-PS1-1

NGSS.MS-PS2-3

Which is a proton?

• A
• B
• C

Tags

NGSS.MS-PS1-1

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

Which statement best describes the properties of Transition Metals?

• They have very low melting points.

• They are highly reactive.

• They resist heat and are less reactive than Groups 1 and 2.

• They each have different physical and chemical properties.

How many neutrons are in the atom "K"?

• 7
• 19
• 39
• 20

Tags

NGSS.MS-PS1-1

What is the Atomic Number of CO₂ on the Periodic Table?

• CO₂ is not on the Periodic Table since it is a compound

• 119

• 1

• 22