Biochemistry

The basic unit of matter is

• atom
• proton
• neutron
• electron

What particles are found in the nucleus of an atom?

• electron and proton
• proton and neutron
• electron and neutron

Tags

NGSS.HS-PS1-8

The _____________ is the identity particle.

• proton
• neutron
• electron

The _____________ is the positively charged particle in an atom.

• proton
• neutron
• electron

The _____________ is the negatively charged particle in an atom.

• proton
• neutron
• electron

The _____________ is the particle in an atom that has no charge.

• proton
• neutron
• electron

The particle involved in chemical reactions is the

• proton
• neutron
• electron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If you change the number of protons in an atom you get

• a new ion.
• a new element.
• a new isotope.

If you change the number of electrons in an atom you get

• a new ion.
• a new element.
• a new isotope.

If you change the number of neutrons in an atom you get

• a new ion.
• a new element.
• a new isotope.

Tags

NGSS.HS-PS1-8