All alkaline earth metals have ………….. valence electrons in the ou… - Vidyadip

MCQ

All alkaline earth metals have ………….. valence electrons in the outermost orbit.

A
one
✓
two
C
three
D
four

✓

Answer

Correct option: B.

two

(B) two

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Elements of Group 1 and 2→Elements of Group 1 and 2 — all question types→Chemistry STD 11 Science question papers→Maharashtra Board STD 11 Science question papers→Maharashtra Board question paper generator→

Similar questions

The mass of $0.002 \ mole$ of glucose $(C_6H_{12}O_6)$ is _____________

The volume occupied by 11.5 g of carbon dioxide at STP is approximately equal to:

Which of following bonds has maximum bond length?

What is the volume occupied by $2 \mathrm{~g}$ of helium gas (molar mass $=4 \mathrm{~g} \mathrm{~mol}^{-1}$ ) at STP ?

The branch of chemistry which deals with carbon compounds is called _________________ chemistry.

For the reaction $\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{NH}_{3(\mathrm{~g})}$, rate of disappearance of $\mathrm{N}_{2(\mathrm{~g})}$ is $2.22 \times 10^{-3} \mathrm{~mol} \mathrm{dm}^{-3}$. What is the rate of appearance of $\mathrm{NH}_{3(\mathrm{~g})}$ ?

What is the number of moles of ethane obtained from $2 n$ moles of bromomethane using $2 n$ moles of sodium atoms in dry ether medium?

In the reaction, $H _2 O _{2(aq)]} \xrightarrow{ F _{aq}} H _2 O _{\text {(i) }}+\frac{1}{2} O _{2( g )}$ iodide ion acts as

A sample of pure water, whatever the source always contains …………. by mass of oxygen and 11.1 % by mass of hydrogen.

What will be the shape of molecule whose central atom is associated with 3 bonds and one lone pair?