What do elements in the first two columns of the periodic table have in common? (2 points)
a. they have two valence electrons.
b. they tend to lose electrons to gain stability.
c. they react strongly with the alkali metals.
d. they do not react with halogens.

The first two columns of the periodic table make the s-block, and the elements in this block have in common that they tend to lose electrons to gain stability. The correct answer is B.

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

What are the options? i can you if you give them.