Question

answer in 20 mins
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Answer 1

Answer:

Q1.

a. element

b. Valancy

c. bivalent

d. mass , volume (space)

Q2.

a. orbits or shells

b. Al

c. intermolecular force of attraction

d. intermolecular spaces

e. physical change

Q3.

a. True

b. False

c. False

d. False

e. True

Q4.

a. Physical

b. Chemical

c. Physical

d. Chemical

e. Physical

Q5.

a. Mg valency is 2

b. Ca valency is 2

c. Cl. valency is 1

Q6.

• They take up the shape of the container having one free surface.
• They are fluids they can flow

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Answer 2

Answer:

$\mathcal{\huge{\blue{\underline{\underline{AnswEr}}}}}$

Q1.

• element
• valency
• bivalent
• mass and volume

Q2

• orbits
• AI
• intermolecular force of attraction
• intermolecular space
• physical change

Q3

• true
• false
• false
• false
• true

Q4

• physical change
• chemical change
• physical change
• chemical change
• physical change

Q5

• magnesium valency is 2
• calcium valency is 2
• chlorine valency is one

Q6.

• they take up the shape of the container
• they are fluids so flow