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2024 PHYSICAL SCIENCE VOCABULARY EXAM QUESTIONS AND VERIFIED ANSWERS GRADED A+ £6.53   Add to cart

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2024 PHYSICAL SCIENCE VOCABULARY EXAM QUESTIONS AND VERIFIED ANSWERS GRADED A+

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2024 PHYSICAL SCIENCE VOCABULARY EXAM QUESTIONS AND VERIFIED ANSWERS GRADED A+ atomic mass The number of protons plus the number of neutrons in the nulceus of an atom. atomic number The number of protons in the nucleus of an atom. atoms The basic building block of all matter. chemical form...

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  • May 10, 2024
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2024 PHYSICAL SCIENCE VOCABULARY EXAM QUESTIONS AND

VERIFIED ANSWERS GRADED A+


atomic mass

The number of protons plus the number of neutrons in the nulceus of an atom.

atomic number

The number of protons in the nucleus of an atom.

atoms

The basic building block of all matter.

chemical formula

Code that uses chemical symbols and subscripts to identify the number and types of

atoms of each element that make up a molecule or compound.

chemical symbol

A one or two letter code that represents an element.

compound

A pure substance that forms when two or more elements join chemically.

electron

Subatomic particle that move and spin around the nucleus of an atom that carry a

negative charge.

element

Pure substance that cannot be broken down into simpler substances by an ordinary

chemical means.

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