3 years ago

. Give the symbols of TWO elements that are in the same group.

Chemistry

1 answer:

suter [353]3 years ago

3 0

Answer:

N and O

Explanation:

Both are nonmetals

You might be interested in

Which chemical formula corresponds to this structural formula? h6c6h6h2 c14h6 c6h6 c2h6o

mina [271]

C₂H₆O is referred to the chemical formula corresponds to this structural formula and is denoted as option D.

<h3>What is Chemical formula?</h3>

This contains information about the chemical proportion of atoms present in a molecule.

In this scenario, there are two carbon atoms, six hydrogen atoms and one oxygen atom which can be written as C₂H₆O. This is therefore the most appropriate choice in this scenario.

Read more about Chemical formula here brainly.com/question/26388921

#SPJ1

3 0

2 years ago

Which of the following ions is formed when a base is dissolved in a solution?

Aneli [31]

Answer:

$\huge\boxed{\sf OH-}$

Explanation:

<u>According to Arrhenius concept of acid and base:</u>

"When a base in a solution, produces/yields OH- (Hydroxide) ions."

So, when a base is dissolved in a solution, it produces OH- ions.

<u>For example:</u>

NaOH ⇄ Na⁺ + OH⁻ (So, it is a base)

$\rule[225]{225}{2}$

Hope this helped!

3 0

3 years ago

I just need to know the answer for six please and thank you!

nydimaria [60]

Answer:

Explanation:

3(NH₄)₂Cr₂O₇

8 0

3 years ago

Arrange the metallic elements in order of increasing reactivity. Use the periodic table to identify their positions on the table

7nadin3 [17]

Answer:

Magnesium>Calcium>Potassium>rubidium

Explanation:

7 0

3 years ago

Read 2 more answers

What is a covalent bond?

Natali5045456 [20]

A bond between two atoms that SHARE electrons

4 0

3 years ago