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C&P proprety 4 test
Question | Answer |
---|---|
isotopes | Atoms of the same element with different numbers of neutron. |
Mixture | Combination of two or more different atoms that are bonded. |
Molecule | Smallest part of an element. |
Compound | Substances that are the building blocks of matter |
Matter | Anything that takes up space |
Proton | Positively charged particle in the nucleus |
Electron | Negatively charged particles orbiting the nucleus |
Neutron | Neutrally charged particles in a nucleus |
Nucleus | Center of an atom, made of protons and neutrons |
Solid | Matter with a definite shape and volume |
Liquid | Matter that has a definite volume but not a definite shape. |
Gas | Matter with no definite shape and volume |
Volume | Amount of space an object takes |
Mass | Amount of matter in an object |
Atom | smallest part of a compound |
Chemical change | Change that forms bonds creating new substances with different properties |
Physical change | Change that doesn't involve the formation of something new |
Chemical formula | Symbols and numbers that describe the three of atoms in one molecule of a compound |
Element | Is the building blocks of matter |
Reaction | Happens when two or more molecules interact and something happens |