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Atom & Periodic Table Test Review Flashcards | StudBud
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Atom & Periodic Table Test Review
Atom & Periodic Table Test Review
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#atoms #periodictable
Flashcards
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Questions
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Answers
1
Which of the following shows something that makes up all things?
Solution
Mixture
Compound
Element
2
Dalton's theory:
Electron cloud model
atoms are mostly empty space
Electrons move in fixed orbits
atoms can’t be divided
3
# protons + # neutrons in an atom
Mass Number
Calcium
Atomic Mass
Atomic Number
4
Rutherford said:
atoms can’t be divided
atoms are mostly empty space
electrons move in 3D probability regions called orbitals
electrons move around fixed orbits
5
Bohr said:
atoms contain electrons
atoms have a tiny, dense positively charged nucleus
electrons move around fixed orbits
electrons exist in 3D probability regions called orbitals
6
Which element has 6 VALENCE ELECTRONS?
Selenium
Calcium
Krypton
Bromine
7
How many valence electrons does the element krypton have
7
6
5
8
8
The elements on the “STAIRCASE” of The Periodic Table are
Metalloids
Nonmetals
Metals
Protons
9
Which of the following words describes something that has been chemically combined?
Solution
Compound
Mixture
Element
10
Which of the following words describes something that has been physically combined?
Mixture
Element
Compound
Solution
11
subatomic particle with no charge
Element
Proton
Electron
Neutron
12
negatively charged subatomic particle
Neutron
Electron
Proton
13
Which of the following words describes the smallest part of something w/o changing the identity
Mixture
Element
Compound
Atom
14
The elements on the LEFT side of The Periodic Table are
Nonmetals
Metalloids
Metals
Protons
15
The periodic table of elements organizes elements into groups with similar
Uses
Origins
Characteristics
Reactivity
16
The Periodic Table is organized by increasing
Atomic Number
Atomic Mass
Reactivity
Mass Number
17
What is the "20"?
Atomic #
Atomic Mass
Symbol
18
What are the electrons called that are the farthest from the nucleus?
Electrons
Protons
There are no electrons
Valence
19
The vertical (up and down) columns on The Periodic Table are called
Groups
Periods
Families
Reactivity
20
If the number of
protons
in an element changes it becomes a(n)
Super Cool Element
Isotope
Ion
Different Element
21
Which of the following words describes something physically combined yet looks like 1 thing?
Element
Compound
Mixture
Solution
22
Atoms that have
equal
numbers of protons and electrons are
Neutral charge
Awesome!
Negative charge
Positive charge
23
What is this a picture of
Nucleus
Electron Cloud
Atom
Valence Electron
24
Number of protons in an atom
Atomic mass
Mass Number
Electron
Atomic Number
25
Which group is the most reactive on the periodic table?
Group 2 - alkaline earth metals
Group 1 - alkali metals
Group 17 - halogens
Group 18 - noble gases
26
Thomson said:
Atoms have a positively charged nucleus
atoms are mostly empty space
atoms contain electrons
Electrons moved on fixed orbits
27
What is the atomic number of the element calcium
30
40
80
20
28
What is created when the number of NEUTRONS changes
Positive Charge
Negative Charge
Isotope
Ion
29
Which of the following compounds are considered organic?
CO2
C6H12O6
CaCl2
NaCl
30
Identify the compound
Water
Wood
Brass
A block of iron
31
Identify the mixtures
A block of iron
Water
Air
Brass
32
What is the outer part of an atom around the nucleus called?
Space
Why should I care?
Electron Cloud
Electron
33
If you found the next element on the periodic table, how many protons would it have?
119
How do you know this?
118
I don't know.
34
positively charged subatomic particle
Electron
Proton
Megatron
Transformer
35
Schrodinger said:
electrons move about fixed energy levels called orbits
electrons move about 3D probability regions called orbitals
Atoms are the smallest part of an element b4 identity lost
The nucleus is tiny, dense, and positively charged.
36
Which group/family is the least reactive?
Group 18 - noble gases
Group 2 - alkaline earth metals
Group 17 - halogens
Group 1 - alkali metals
37
What is 40.078
Atomic #
Atomic Mass
Mrs. Bouley is my favorite teacher
38
Which of the following compounds are considered inorganic?
H2O
C6H12O6
CH4
CH3OH
39
Metalloids have properties of
Non Metals
Metals and nonmetals
Metals
Group 1 - Alkali Metals
40
Which element is the most reactive in Group 1?
Lithium
Fluorine
Hydrogen
Francium
41
Which chemical symbol identifies chlorine
Cl
CL
C
42
Identify the element
Brass
Water
A block of iron
Wood
