Q. 4.96

Question

Complete the following statement:  (4.2 , 4.5)

a. The number of protons and neutrons in an atom is also the ________ number.

b. The elements in Group 7A(17) are called the ________.

c. Elements that are shiny and conduct heat are called ________.

Step-by-Step Solution

Verified
Answer

a. Mass.

b. Halogens.

c. Metals.

1Part (a) step 1: Given Information

We need to complete the number of protons and neutrons in an atom is also the ________ number. 

2Part (a) step 2: Explanation

Now,

The number of protons and neutrons in an atom is called the mass number. 

3Part (b) step 1: Given Information

We need to complete the elements in Group 7A(17) are called the Metals.

4Part (b) step 2: Explanation

Here,

The elements of the Group 7A(17) are called halogens

5Part (c) step 1: Given Information

We need to complete elements that are shiny and conduct heat are called ________. 

6Part (c) step 2: Explanation

Here,

 The elements that are shiny and conduct heat are called ________.