Middle and Chemistry

The characteristics or properties of metals include

• shiny and solid

• ductile and malleable

• lose electrons

• all of the above

Which particle contributes the negative charge to the atom?

• proton

• electron

• neutron

• nucleus

A molecule is

• a singular particle of a particular element

• another name for an element

• 2 or more atoms that are combined

Tags

NGSS.MS-PS1-1

A pure substance that is a compound is made out of

• particles of more than one type of atom

• particles of the same type of atom

• a mixture of two or more substances that can be physically separated

Tags

NGSS.MS-PS1-1

Gold is an example of a(n) 

• pure element

• pure compound

• pure mixture

A _________ is a substance made of two or more DIFFERENT elements chemically combined. 

• mixture

• compound

• substance 

Tags

NGSS.MS-PS1-5

What does c represent?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

Label the correct subatomic particles

a

b

c

neutron

proton

electron

Tags

NGSS.MS-PS1-1

Label the metals, nonmetals and metalloids

a

b

c

d

metals

metals

metalloids

nonmetals

Tags

NGSS.MS-PS1-1

How many periods does the periodic table have AND what do each period tell us about the elements?