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Atoms and periodic table Flashcards | StudBud
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Atoms and periodic table
Atoms and periodic table
20 terms
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atom test review
Flashcards
20 cards
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Questions
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Answers
1
The atomic mass of an atom measures:
mainly the nucleus of the atom
the electrons and neutrons
the neutrally charged particles of the atom
the protons of an atom
2
Which particle of an atom has no charge
neutron
nucleus
proton
electron
3
The vertical columns in a periodic table are called:
categories
periods
groups
sections
4
Which of the following is true about most metals?
They are malleable, ductile & carry electrical currents
They are mostly gasses at room temperature
They are highly reactive elements
They need to be stored in locked cabinets for safety
5
Medeleev created the periodic table in order of
decreasing atomic number
increasing atomic mass
increasing atomic number
decreasing atomic mass
6
The majority of the non-metals at room temperature are:
gasses
liquids
plasma
solids
7
The particle that orbits around the nucleus is the:
electron
neutron
proton
atomic mass unit
8
Which group of elements have some properties of metals and some of non-metals?
halogens
noble gasses
metalloids
transition metals
9
The number of protons in a balanced atom is equal to:
The atomic mass
The number of isotopes
The number of neutrons
The number of electrons
10
The elements that do not combine with other elements to make compounds are:
metalloids
metals
noble gasses
halogens
11
Which group contains the most elements
metalloids
non-metals
noble gasses
metals
12
Based on an element's location in the periodic table, you can predict:
its chemical name
when it was discovered
its chemical symbol
it properties
13
The atomic number is based on
The number of protons in its nucleus
The number of electrons in its nucleus
The number of neutrons in its nucleus
The amount of mass in its nucleus
14
The proton is the particle that is
positively charged
negatively charged
orbiting the nucleus
neutral
15
The number of protons in an atom is indicated by:
the atomic mass
the atomic symbol
The column it is located in
the atomic number
16
A metal is malleable if it can:
conduct heat or electric currents
is a mixture of two or more metals
be pulled, or drawn out, into long wires
be hammered or rolled into flattened sheets or other shapes
17
The rows in the periodic table tell you:
how many orbital shells that exist
which elements are in the same family
the average atomic mass
which elements have identical properties
18
The horizontal rows of a periodic table are called
sections
periods
groups
regions
19
The negative charged particle of the atom is the:
electron
nucleus
neutron
proton
20
Most of the elements that touch, creating a zig-zag line in the periodic table are:
non-metals
metals
noble gasses
metalloids
