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Atoms and Periodic Table
Atoms and Periodic Table
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Introduction to the atom and patterns of the periodic table
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
All atoms of the same element have
the same number of neutrons
the same mass
the same number of protons
2
A negative particle found in the atom is a(n)
electron
proton
neutron
photon
3
An atom has a mass of 31 and an atomic number of 15. What is the element
Gallium
Nitrogen
Phosphorus
4
Elements fluorine, chlorine, and bromine belong to which group?
transition metals
noble gasses
halogens
Alkali metals
5
Which statement is true
A positive charge repels a negative charge
A positive charge attracts a negative charge
6
The man who created the periodic table was
Asimov
Mendeleev
Romanov
Picasso
7
An ion has an equal number of protons and electrons.
False
True
8
A particle with a positive charge is
electron
halogen
neutron
proton
9
The atomic number is
the number of neutrons in the nucleus
the number of electrons in the nucleus
the number of protons and neutrons
the number of protons in the nucleus
10
The sum of protons plus neutrons is known as the
mass
atomic number
energy level
isotope
