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5 questions
What are the 3 particles that make-up the atom?
protons, neutrons, and isotopes
neutrons, isotopes, and electrons
positives, negatives, and electrons
protons, neutrons, and electrons
An atom has 5 protons, 7 neutrons and 5 electrons. What is the mass number of the atom?
What kind of energy is in a rock at the edge of a cliff?
A pure substance that is a compound is made out of __________.
particles of more than one type of atom
particles of the same type of atom
particles of the same type of atom
A _________ is a substance made of two or more DIFFERENT elements chemically combined.
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