Quiz 1 gd 11

Q1

• A

• B

• C

• D

Q2

• A

• B

• C

• D

Q3

• A

• B

• C

• D

Q4

• A

• B

• C

• D

Q5

• A

• B

• C

• D

Q6

• 1.2 cm3

• 2.1 dm3

• 1.2 dm3

• 0.1 dm3

Q7) Which statement is correct ?

A. B beam is neutron

B. A beam is neutron

C. B beam is proton

D . A beam is proton

• B and C

• A and B

• C and D

• A and D

Q8)

Ar = H =1 , N = 14 , S = 32 , O=16 )

• N3H8SO3

• N8H2S2O3

• N H SO3

• N3H8SO7

Q9 ) Which statement is correct about the atomic radius

• Increase across the period

• decrease across the period

• decrease down the group

• no change across the period or down the group

Q10
how many electrons the ion (cation ) contains

• 20

• 26

• 48

• 24