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

Based on the passage above, which of the following is an opposing claim? A. Delia does not have experience with taking care of young children. B. Delia is v

‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎

Question 4: A psychological study aimed to investigate the relationship between a person’s attitude with his/ her perception of human faces. 165 subjects were a

Can b- donate to A+ blood

The price of an item yesterday was $40. Today, the price fell to $18. Find the percentage decrease.

2X plus 6X equals 1000

3 4 6 13 16 19 ◄)) and Submit have a sum of 25

A person drops two objects from the same height. One object weighs 15 N, and the other weighs 10 N. How does the mass of the objects relate to the force of grav

Crane critical lift plans are required for all of the following except

What does this mean: ¿Por qué no vienen a verme?