Milady Chemistry

"C" is the element symbol for which element?

• calcium

• carbon

• chlorine

• cadmium

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

• mixture

• compound

• substance 

A mixture can be separated by ________ means. 

• physical

• chemical

Label the correct subatomic particles

a

b

c

electron

proton

neutron

Tags

NGSS.MS-PS1-1

Label the metals, nonmetals and metalloids

a

b

c

d

metalloids

metals

nonmetals

metals

Tags

NGSS.MS-PS1-1

Identify which are the products and reactants

a

b

products

reactants

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

How is a chemical change different from a physical change?

• there is no difference

• a physical change creates a new substance

• a chemical change creates a new substance

Tags

NGSS.MS-PS1-5

How is the periodic table of elements arranged?

(a)  

The atomic number gives us

• protons

• electrons

• mass

• neutrons

• nucleus

Match the following

• lives in the nucleus & positively charge

• nucleus

• lives in the cloud & negatively charge

• neutron

• where protons & neutrons are found and largest mass

• electron

• lives in the nucleus & no charge

• proton

• lives in the last ring & negatively charge

• valence electron

Tags

NGSS.MS-PS1-1