Atoms and molecules

Smallest particles of chemical elements

• Mixture

• cOMPOUND

• Atom

• Element

Group of atoms bonded together

• Mixture

• Compouns

• Atom

• Molecules

Tags

NGSS.MS-PS1-1

Simple substance are made up of only one kind of atoms

• Mixture

• Compound

• Atom

• Element

• Molecules

Are formed when element are mixed and react so atoms join together

• Mixture

• Compound

• Molecules

• Atom

• Element

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Common properties of metals are all the following except:

• Strong and flexible

• Good conductors or electricity

• Not good conductor of heat

• High melting point solid

The only liquid metal is

• Mercury

• Iron

• Copper

• Zinc

Copper are used for electrical cable because

• Not conducted to heat

• Strong and flexible

• low melting point

• brittle

Fe is symbol of--------metal

• Iron

• Copper

• Magnesium

• Mercury

Common properties of non metal elements are:

• Strong

• Flexible

• Good conductor to heat

• Good conductor of electricity

• Brittle when solid

If you combine zinc and oxygen you will have a compound called:

Tags

NGSS.MS-PS1-1