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Atoms and The Periodic Table Flashcards | StudBud
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Atoms and The Periodic Table
Atoms and The Periodic Table
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1
Which of the following is a COMPOUND?
NaCl
Fe
Ne
Co
2
What is the Atomic Number for Sodium (Na)?
Na
22.9
12
11
3
Protons are made up of negative particles.
True
False
4
How many protons does Potassium have?
19
39
20
58
5
Which statement best describes an atom?
A particle with a single negative charge
The smallest particle that still represents an element
The smallest particle that still represents a compound
A particle with a single positive charge
6
Lithium, Sodium, Potassium, and Francium are in the same column in the periodic table. Why are they in the same column?
They have the same atomic mass.
They have similar properties
They have atoms of the same size.
They all have letters IU in them
7
Electrons are made up of negative particles.
False
True
8
What is the Chemical Symbol for Silicon?
Si
Silicon
14
Pink
9
Neutrons are made up of particles with NO charge.
False
True
10
How many electrons does Potassium have?
58
19
39
20
11
Which statement best explains how gold (Au), silver (Ag), and copper (Cu) are often used in jewelry and coins?
These metals have very low melting points.
These metals resist heat and are less reactive than group 1 and 2 metals.
Gold, silver, and copper are highly reactive.
Gold, silver, and copper have different physical and chemical properties.
12
Which correctly labels the model of an atom below?
A = Electron, B = Neutron, C = Proton
A = Neutron, B = Electron, C = Proton
A = Proton, B = Electron, C = Neutron
A = Electron, B = Neutron, C = Proton
13
Which of the following lists of elements forms a GROUP on the Periodic Table?
K, Ca, Sc, Ti, V
H, Li, Be Na, Mg
Li, Na, K, Rb, H
H, I, J, K, L
14
Which of the following statements follows the current understanding of atoms?
Atoms cannot be divided into smaller parts.
Atoms can only combine with like atoms to make new compounds.
All atoms are the same.
There is an finite number of atoms that make all the matter in the universe
15
Why are atoms and not electrons considered to be the smallest unit of an element?
Atoms of most elements do not contain electrons
Atoms cannot be divided into smaller particles like electron
Atoms are the smallest unit that has the properties of an element
Electrons are larger than atoms
16
What is the main difference between the early models of the atom and the modern model?
Only the modern model includes protons.
None of the early models include neutrons.
The nucleus contains protons and neutrons; the electrons orbit the nucleus
Electrons and protons move in specific orbits in the modern model.
17
What is the Chemical Name for Silicon?
Si
Silicon
Pink
14
18
Which of the following lists of elements forms a PERIOD on the Periodic Table?
Li, Na, K, Rb, H
H, Li, Be Na, Mg
H, I, J, K, L
K, Ca, Sc, Ti, V
19
How many neutrons does Potassium have?
39
58
19
20
20
Which difference explains why sulfur and fluorine are grouped in different columns?
Their properties
Their atomic masses
Their sizes
Their atomic numbers
