Question

Match each scientific term with its correct definition: (5 points)
Atomic number
Hypothesis
Theory
Law
Octet rule
Valence electrons
Electron shell
Period
Mass number
Group
::an area in which the electrons of an atom orbit the nucleus
:: indicates the number of protons in an atom of an element
::A well-substantiated explanation supported by multiple pieces of evidence
:: A testable prediction about an experimental outcome
:# A descriptive statement of a consistent natural phenomenon
:tendency for atoms to want 8 valence electrons
:: a collection of elements forming a single row on the periodic table
: a collection of elements forming a single column on the periodic table
electrons found in the orbital farthest from the nucleus
#sum of protons and neutrons in an atom

Answer 1

Sure! Here’s the matched list of scientific terms with their correct definitions:

1. **Atomic number** :: indicates the number of protons in an atom of an element
2. **Hypothesis** :: A testable prediction about an experimental outcome
3. **Theory** :: A well-substantiated explanation supported by multiple pieces of evidence
4. **Law** :: A descriptive statement of a consistent natural phenomenon
5. **Octet rule** :: tendency for atoms to want 8 valence electrons
6. **Valence electrons** :: electrons found in the orbital farthest from the nucleus
7. **Electron shell** :: an area in which the electrons of an atom orbit the nucleus
8. **Period** :: a collection of elements forming a single row on the periodic table
9. **Group** :: a collection of elements forming a single column on the periodic table
10. **Mass number** :: sum of protons and neutrons in an atom

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