MCQs || B21

What is the atomic number?

In the periodic table, the columns are called a

In the periodic table, the horizontal line is called a

Tend to lose electrons during chemical change

Tend to lose electrons (forming negative ions)

Tend to lose electrons during chemical change

A substance containing both metal and nonmetal properties

One of metal properties

The periodic table is classified into

A sailboat is traveling north at 10 km/h, relative to the water. The water is flowing west at 5 km/h, parallel to the shore. What is the velocity of the sailboat relative to ground?

The relationship between INERTIA and MASS is

when you try to lift a bag, you are experiencing its ___

A person walk 12 km in 22 min then he continues to walk 3000 cm in five minutes calculate the average speed express the answer in kilometre per hour

what will be the acceleration of a car if it slows from 90km/h to a stop in 10 seconds

As a car is traveling in a road, it is possible for its velocity to be changing while its speed is constant.