Answer:
The mass of a system does not change during a chemical reaction
Explanation:
Correct Answers
Answer:
Conduction
Explanation:
Conduction is the transfer of heat energy from one substance to another or within a substance.
Answer:
However, if something happens to make an atom lose or gain an electron then the atom will no longer be neutral.
Explanation:
A charged atom is called an ion. When an atom loses electron(s) it will lose some of its negative charge and so becomes positively charged. A positive ion is formed where an atom has more protons than electrons.
Answer:
An alloy is a mixture of chemical elements, which form an impure substance that retains the characteristics of a metal.
Explanation:
Have a nice day. Auf Wiedersehen.
