Kimia SMA Quiz

What is the smallest unit of matter?

• element

• cell

• molecule

• atom

What is the charge of a proton?

• +2

• 0

• +1

• -1

What is the charge of an electron?

• 1.6 x 10^-20 coulombs

• 1.6 x 10^-19 coulombs

• -1.6 x 10^-19 coulombs

• -1.6 x 10^-18 coulombs

What is the charge of a neutron?

• 1

• 2

• -1

• 0

What is the atomic number of carbon?

• 12

• 8

• 16

• 6

What is the atomic mass of oxygen?

• 16.00

• 15.00

• 17.00

• 18.00

What is the symbol for sodium?

• K

• NaCl

• So

• Na

What is the chemical formula for water?

• O2H

• H2O

• HO

• H3O

What type of bond is formed between two nonmetals?

• ionic bond

• hydrogen bond

• metallic bond

• covalent bond

What type of bond is formed between a metal and a nonmetal?

• covalent bond

• polar bond

• hydrogen bond

• ionic bond