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Science Test Review

QuestionAnswer
What is anything that has mass and take up space ? Matter.
What do states of matter depend on ? Temperature and pressure of a substance.
What state of matter is it when atoms are in fixed positions with definite volume and shape ? Solid.
What state of matter is it when atoms are loosely connected with definite volume and takes the shape of its container ? Liquid.
What state of matter is it when the atoms are as far apart as possible with no definite volume or shape ? Gas.
What state of matter is it when free electrons surround the nuclei of atoms and it occurs in stars & through bolts of lightning ? Plasma.
What is the nature of matter ? That matter can't be created or destroyed.
Which property can you detect with your senses such as texture or density ? Physical property.
Which property allows substances to change ? Chemical property.
What is an atom ? The smallest particle of an element.
What are protons ? Positively charged particles.
What are neutrons ? Particles with no charge.
What are electrons ? Negatively charged protons.
What is an atomic number ? The number of protons in an atom.
What is an atomic mass ? The sum of protons and neutrons in the nucleus of an atom.
What are atoms in the same element that differ in atomic mass ? Isotopes.
What are ions ? Electrically charge atoms.
Created by: hilena_
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