Chemistry

2. When 2 non-metal atoms chemically combine, they are known as ________ molecules
3. In the presence of acid, the blue litmus paper turns ______
5. A _______ funnel is used to set apart immiscible liquids.
7. The ion formed will be _______ charged when an atom gains electrons
10. The measure of the amount of matter in a body.
13. A chemical ______ shows how an atom in the reactants are rearranged to form the products
16. When 2/more non-metal atoms chemically combine together
17. The place where proton(s) & neutron(s) are found
18. Gas ________ to form liquid
19. A ________ can is used to measure the volume of large objects that cannot fit into a measuring cylinder

1. Kinetic energy of particles is ______ when it change in its state
4. Where particles move from a region of higher concentration to a region of lower concentration
6. The reaction when acid and alkali are mixed together to form salt and water
8. A substance made up of 2/more elements chemically combined together
9. An atom is an overall ________ particle
11. The process when Solid becomes Gas.
12. Colour, density, Physical and Chemical properties are same throughout
14. _____ configuration is the arrangement of electrons in different ________ shells
15. The ______ of a substance is the mass per unit volume.
20. A _______ error is an error in measurement due to the eye not being in the correct position when taking a reading