Classifying Matter

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Molecules are larger particles than atoms.

• true
• false

Electrons are found in the nucleus of an atom.

• True
• False

Neutrons are small particles found in the nucleus of an atom that have no charge (they are neutral).

• True
• False

Steel is an example of a homogenous mixture.

• True
• False

Salad with dressing and tons of different veggies is an example of a homogenous mixture.

• True
• False

Magnetic attraction separates

• iron containing materials from a mixture.
• solid components from a liquid.
• different liquid components from a liquid mixture.
• large particles of aluminum from smaller particles of sand.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Separating mixtures is possible because substances in a mixture keep their properties.

• True
• False

The basic particle from which all elements are made is

• an atom
• a compound
• a chemical formula
• a molecule

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A mixture is a group of two or more atoms held together by chemical bonds

• True
• False