Question

Answer please
True or false
1. An electric motor converts mechanical energy into electrical energy
2. The level of water in the sea changes because of the gravitational force exerted by the sun
3. In modern periodic table the element are arranged in an increasing order of their atomic number
4. when two or more reactants react to force a single product it is called decomposition reaction
5. non metal are also called electronegative elements​

Answer 1

Answer:

1.false

2.false

3.don't know

4.dont know

5.dont know