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Atom and Periodic Table Flashcards | StudBud
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Atom and Periodic Table
Atom and Periodic Table
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#science #8thgrade
Flashcards
16 cards
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Questions
16
Answers
1
What is the mass and electrical charge of neutrons?
1 AMU, neutral
1 AMU, negative
1 AMU, positive
almost 0 AMU, neutral
2
What subatomic particle determines the element or atom?
electrons
prolongs
neutrons
protons
3
Which two elements have similar properties ?
Magnesium and Sodium
Magnesium and Potassium
Magnesium and Calcium
Magnesium and Lithium
4
The atomic mass is the ADDITION of which two subatomic particles?
neutrons + protons
protons+electrons
neutrons + electrons
neutrons+protons+electrons
5
Where is the mass of the atom mostly located?
nucleus
energy levels
electron cloud
orbitals
6
What is the charge of the nucleus? Hint: protons (+), neutrons (0)
neutral
negative
no charge
positive
7
In the periodic table families or the columns are ...
across
period
rows
groups
8
What is the electrical charge and mass of electrons?
negative, almost 0 AMU
neutral, almost 0 AMU
neutral, 1 AMU
positive, 1 AMU
9
Periods tell you the number of________ of an atom.
protons
orbitals
neutrons
electrons
10
Which element is in group 13, period 4?
Gallium
Germanium
Zinc
Aluminum
11
What is the electrical charge of Protons?
negative
neutral
zero
positive
12
Why is Flourine a highly reactive halogen?
It has 7 valence electrons
It has 1 valence electron
It has 8 valence electrons
It has 6 valence electrons
13
Atoms is composed of mostly empty space because the atom has a...
dense nucleus, w/ electrons orbiting around
dense electrons, and protons orbiting the nucleus
large nucleus, w/ electrons that are not moving
low density nucleus, w/ electrons in the nucleus
14
Which group is an extremely reactive NONMETAL and why?
alkali metals, 7 valence electrons
halogens, 7 valence electrons
halogens, 8 valence electrons
alkali metals, 6 valence electrons
15
The atomic number determines the number of which two subatomic particle?
protons and electron orbitals
protons and electrons
protons and energy shells
neutron and protons
16
Which noble gas has 22 neutrons ?
Helium
Krypton
Neon
Argon
