Question

d canno
a.
Atoms of different elements combine to form a molecule u
an element. b. a compound.
both a and b
What is the molecular formula of the element helium?
b. He,
c. He,
d. He
a. He
Fill in the blanks.
Pure substances are classified into puse subsfarsand impuse substou
Pure substances are classified into
The
of an element is the abbreviation of its full name.
Natrium is the Latin name of Sodium
The symbol of cobalt is
The molecular formula of water is
Match the columns.
( ) a. molecule
( ) b. groups
Smallest unit of a compound
() c molecu​

Answer 1

Answer:

both a and b

What is the molecular formula of the element helium?

b. He,

c. He,

d. He

a. He

Fill in the blanks.

Pure substances are classified into puse subsfarsand impute substou

Pure substances are classified into

The

of an element is the abbreviation of its full name.

Natrium is the Latin name of Sodium

The symbol of cobalt is

The molecular formula of water is

Match the columns.

( ) a. molecule

( ) b. groups

Smallest unit of a compound

() c molecu​

Explanation: