mcgintyava mcgintyava

01-02-2021
Chemistry

contestada

Which three elements have the most similar chemical properties?
1.
Ar, Kr, Br
2
K, Rb, Cs
3.
B, C, N.
4.
O, N, Si

Respuesta :

areebs4u areebs4u

01-02-2021

Answer:

2.

Explanation:

Beacuse they are all group 1 metals. All have the same boiling, melting point and reactivity due to one electron in its outer shell.

Answer Link

Otras preguntas

Why did the Ming navy hire experts in a wide variety of subjects to travel with them on their expeditions?

Why has the salad bowl replaced the melting pot as a metphor for american multiculturalism?

A 54-year-old male patient with small-cell lung cancer is receiving etoposide. the nurse will carefully monitor for which of the following? a. Hypertension b. H

Help please!xD TY :DD The object pronouns are a. me, you, him, her, it, us, and them b. I, you, he, she, it, we, and they

why should position papers be written in the active rather than the passive voice

Can someone give me the correct answers for all of the unanswered question. the question are in the picture below. plllllllllllllllllllllllllllllllllllllleeeee

In which one of the following sentences is the apostrophe used correctly? A. The train began it's journey across country. B. I put the letter back into it'

A good way of remembering your newest contact's name is to A. repeat it silently in your head. B. write it on your hand. C. repeat it at the end of every sent

Which of the following are considered needs? Check all that apply. food Internet cell phone residence television water

The surface bedrock in the hudson highlands consists mostly of