Question

b. An element
d. None of these
3. Sodium chloride molecule is an example of
a. A mixture
« A compound
4. An atom consists of
a. Electrons and protons
c. Protons and neutrons
5.
What is the chemical symbol of gold?
b. Neutrons and electrons
d. Electrons, proton and neutrons
a. au
S. AU
AU
C. Au
d. None of these
Fill in the blanks.
1. Molecule is the smallest particle of a
that can exist independently-
2. Two or more atoms of
elements combine together chemically to
form a compound.
3. A
can be separated into its components by chemical or physical
means.
1. The
of a mixture are similar to the properties of its components.
. A pure substance can be further divided into
and
т​

Answer 1

Answer:

3 compound

4 a electron and proton

c Au

Answer 2

Answer:

3) A Compound

4) Electrons , protons and neutrons

5) Gold-Au

Fill ups-.

1) compound

2) different or same

3) mixture

4) physical properties

5)