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Earth Space Science Chapter 4 Flashcards | StudBud
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Earth Space Science Chapter 4
Earth Space Science Chapter 4
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Earth Space Science Chapter 4
Flashcards
15 cards
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Questions
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Answers
1
The number of protons in the nucleus of an atom
Atomic Number
Atomic Mass Unit
Periodic Table
Mass Number
2
Characteristics that can be observed without changing the composition of the substance
Chemical Properties
Physical Properties
Atomic Mass Unit (amu)
Reactants
3
The forces that hold together the atoms in molecules
Molecule
Chemical Bond
Compound
Ionic Bond
4
Atom
Smallest unit of an element that has the properties of it
A substance that cannot be separated.
5
Region of space surrounding the nucleus of an atom where the electrons move and reside
Electron Cloud
Atomic Number
Nucleus
Periodic Table
6
A system for classifying elements, arranged by increasing atomic number
Periodic Table
Isotope
Mass Number
Element
7
A bond formed when atoms share one or more pairs of electrons
Covalent Bond
Product
Compound
Ionic Bond
8
Anything that has mass and takes up space
Proton
Atom
Isotope
Matter
9
A combination of two or more substances that are not chemically combined
Element
Mixture
Compound
Solution
10
The sum of the number of protons and neutrons in an atom
Mass Number
Atomic Mass
Electron
Atomic Number
11
A subatomic particle that has a negative charge
Electron
Isotope
Neutron
Proton
12
An atom that has gained or lost one or more electrons and has a negative or positive charge
Neutron
Proton
Electron
Ion
13
A substance made of two or more elements joined by chemical bonds
Compound
Ion
Covalent Bond
Ionic Bond
14
A substance made up of atoms of two or more different elements joined by chemical bonds
Isotope
Element
Atom
Compound
15
Small region in the center of an atom
Neutron
Proton
Nucleus
Electron
