Which of the following is NOT an example of a chemical change? * O Corrosion
O Grinding
O Combustion
O Rust

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.

How are the terms group and period used on the periodic table

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.