Atoms, Bohr model & Mass

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.HS-PS1-1

What is the name of this element?

• Lithium
• Boron
• Carbon
• Neon

Tags

NGSS.HS-PS1-1

The positive particle in an atom.

• proton

• neutron

• electron

• electron cloud

How many protons does Nitrogen have?

• 7

• 8

• 14

• 14.01

Tags

NGSS.MS-PS1-1

The negative particle in an atom.

• proton

• neutron

• electron

What is the mass number of this element?

• 7

• 8

• 14

• 14.01

If an element has an atomic number of 11 and a mass number of 23, how many neutrons does it have?

• 11

• 12

• 23

• 34

The neutral particle in an atom.

• proton

• neutron

• electron

Which of the following particles is NOT found in an atom's nucleus?

• proton

• neutron

• electron

What is the chemical symbol of this element?

• 79

• Au

• AU

• gold

Tags

NGSS.MS-PS1-1