Question 1

How does an atom turn into ion?

Accepted Answer

If the number of protons and electrons present in an atom are equal

Answer

If the number of neutrons is not the same with protons and electrons

Answer

If the number of electrons is less than the number of neutrons

Answer

If the number of protons and electrons present in an atom are unequal

Question 2

Which of the following ions will tend to have negative charge?

Accepted Answer

Bromide has more electrons than protons

Answer

Chlorine atom with 17 electrons

Answer

Potassium ion having the same number of electrons and protons

Answer

Sodium ion with 10 electrons.

Question 3

How does an atom turn into cation?

Accepted Answer

if there is a decrease in the number of electrons

Answer

if there is a decrease in the number of neutrons

Answer

if there is an increase in the number of electrons

Answer

if there is an increase in the number of neutrons

Question 4

Which of the following ions can gain 2 electrons?

Accepted Answer

NH4+

Answer

CO32-

Answer

Cl–

Answer

Mg2+

Question 5

Which of the following elements does not belong to the group?

Accepted Answer

Selenium

Answer

Sulfur

Answer

Sodium

Answer

Oxygen

Question 6

Which of the following families has elements having 5 valence electrons?

Accepted Answer

Pnictogens

Answer

Halogens

Answer

Chalcogens

Answer

Alkali Metals

Question 7

Which of the following elements belong to Period 3 with 3 valence electrons?

Accepted Answer

Silicon

Answer

Magnesium

Answer

Aluminum

Answer

Boron

Question 8

Which of the following elements will not form an ionic bond to Iodine?

Accepted Answer

Chlorine

Answer

Cesium

Answer

Cobalt

Answer

Calcium

Question 9

Which of the following pair of elements will have ionic bond?

Accepted Answer

Hydrogen and Phosphorus

Answer

Nitrogen and Fluorine

Answer

Oxygen and Sulfur

Answer

Sodium and Bromine

Question 10

What is the chemical name when Calcium ion bonds with Oxygen ion?

Accepted Answer

Calcium Oxide

Answer

Oxygen Calcide

Answer

Oxide Calcium

Answer

Calcium Oxygen

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