
Atoms, Elements, and Compounds
Flashcard
•
8th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a compound? Options: an atom with more electrons than protons, a substance in which the atoms of two or more elements are combined together, an atom with more neutrons than protons, a substance in which the atoms of three or more elements are combined together
Back
a substance in which the atoms of two or more elements are combined together
2.
FLASHCARD QUESTION
Front
The chemical combination of two or more different kinds of atoms in fixed amounts is called a(n)
Back
compound
3.
FLASHCARD QUESTION
Front
Carbon dioxide is formed when two oxygen atoms chemically combine with a carbon atom. Which term best describes carbon dioxide?
Back
compound
4.
FLASHCARD QUESTION
Front
Where are protons and neutrons located? Options: in the nucleus, in the electron cloud, in the valence shell
Back
in the nucleus
5.
FLASHCARD QUESTION
Front
What is the charge on a proton?
Back
positive
6.
FLASHCARD QUESTION
Front
What is the charge of an electron?
Back
negative
7.
FLASHCARD QUESTION
Front
A pure substance that is made from one type of atom is a(n) ______________ .
Back
Element
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