Matter and Atoms

Things that have no mass are not matter.

• True

• False

• I'm not sure

Answer explanation

Matter is anything that takes up space and has mass.

Tags

NGSS.MS-PS1-5

The arrangement of particles is the same throughout a mixture.

• False
• Maybe
• Partially true
• True

Answer explanation

The arrangement of particles is the same throughout some mixtures, but the arrangement is not the same throughout all mixtures,

An atom that make up gold is exactly the same as an atom that makes up aluminum.

• true
• false
• partially true

Answer explanation

Atoms of different elements are different.

Tags

NGSS.MS-PS1-1

An atom is mostly empty space.

• False
• True
• Partially true
• Completely filled

Answer explanation

The nucleus is only a small portion of an atom. Most of an atom is made up of empty space, described as the electron cloud, where electrons can be found.

If an atom gains electrons, the atom will have a positive charge.

• True
• False
• Maybe

Answer explanation

If an atom gains an electron , the atom will have a negative charge.

Each electron is a cloud of charge that surrounds the center of an atom.

• True

• False

• No idea

Answer explanation

Each electron is a tiny particle with a negative charge. It's location around the nucleus is sometime represented as an electron cloud.

Tags

NGSS.MS-PS2-3