2-1 Biology WS Practice

What is the basic unit of matter?

• Atom

• Molecule

• Cell

• Electron

Tags

NGSS.MS-PS1-1

What are the 3 subatomic particles that make up atoms, and what are their charges?

• Protons (positive), Neutrons (neutral), Electrons (negative)

• Protons (negative), Neutrons (positive), Electrons (neutral)

• Protons (neutral), Neutrons (negative), Electrons (positive)

• Protons (positive), Neutrons (positive), Electrons (positive)

What subatomic particle is known for keeping chemicals bonded together?

• Electron

• Proton

• Neutron

• Photon

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

What are the green particles in the image to the left?

• Electrons

• Protons

• Neutrons

• Photons

Tags

NGSS.HS-PS1-1

What is the name of blue and red particles? Where are they located?

• Protons (red) and Neutrons (blue); located in the nucleus

• Electrons (red) and Protons (blue); located in the electron cloud

• Neutrons (red) and Electrons (blue); located in the nucleus

• Protons (blue) and Electrons (red); located in the nucleus

Tags

NGSS.MS-PS1-1

How many protons does Carbon have?

• 6

• 8

• 12

• 4

Tags

NGSS.HS-PS1-1

How many neutrons does Carbon have?

• 6

• 8

• 12

• 4

Tags

NGSS.HS-PS1-1

How many electrons does Carbon have if it is perfectly balanced and has 6 protons?

• 6

• 4

• 8

• 12

Tags

NGSS.HS-PS1-1

What is the mass of Carbon?

• 12.011

• 14.007

• 15.999

• 1.008

Tags

NGSS.HS-PS1-1

Isotopes are:

• Atoms of the same element with different numbers of neutrons

• Atoms with the same number of protons and neutrons

• Atoms of different elements with the same number of neutrons

• Atoms with different numbers of protons and electrons