Question 7 Another element in the group of alkali metals is lithium (Li). It reacts with water to form lithium
hydroxide (LiOH) and hydrogen gas. Choose the correct balanced chemical equation for this reaction
from the following three options and explain what's wrong with the other two.
1. Li (St H20 (1) — LiOH2 (aq)
2. Li (s) + H20 (1) ► LiOH (aq) + H2 (g)
3. 2Li (s) + 2H20 (1) ► 2LiOH (aq) + H2 (g)
Class Discussion

3 2Li (s) + 2H20 (1) ► 2LiOH (aq) + H2 (g)

Explanation: i think thats the answer :/

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.