Periodic Table Keywords - Part 1 Flashcards
(6 cards)
1
Q
atom
A
The smallest part of an element that can exist.
2
Q
chemical reaction
A
A change in which atoms are rearranged to create new substances.
3
Q
combustion reaction
A
A chemical reaction in which a substance reacts quickly with oxygen, giving off light and heat.
4
Q
compound
A
A substance made from two or more elements, strongly bonded together.
5
Q
decomposition
A
A chemical reaction in which a compound breaks down to form simpler substances.
6
Q
discrete
A
A variable that can only have whole-number values.
