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7th Atomic Structure notes Flashcards | StudBud
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7th Atomic Structure notes
7th Atomic Structure notes
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A quiz over atomic structures, molecules, compounds and the periodic table of elements
Flashcards
28 cards
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Questions
28
Answers
1
Substances containing only 1 kind of atom are called?
ions
compounds
elements
mixtures
2
Compounds and mixtures are the same.
False
True
3
Mixtures can be __________ separated.
Physically
A word does not go there
Chemically
4
We got _____________ data from Elephant Toothpaste.
Qualitative
Both sets of
Quantitative
5
What does the atomic number tell us about the atom?
the number of electrons
the number of protons
the number of protons & neutrons
the number of electrons & neutrons
6
What is the building block of all matter?
Cells
Protons
Atoms
Molecules
7
What is the atomic mass of Hydrogen?
1
8.7
12.009
1.007
8
Atoms have the same number of protons and electrons.
True
False
9
Which scientist developed the periodic table of elements?
Boyle
Rutherford
Bohr
Mendeleev
10
Vertical columns on the periodic table of elements are called?
periods
categories
families
groups
11
What is the 13 element?
Hydrogen
Magnesium
Aluminum
Sulfur
12
Molecules formed from 2 or more different elements are called?
compounds
ions
elements
mixtures
13
Name the 3 main parts of the atom.
electrons, protons, neutrons
protons, electrons, nucleus
protons, neutrons, nucleus
nucleus, protons, atoms
14
Finish the cheer: Qualitative Qualitative, ________, _______, ________.
Touch, taste, see
Number, taste, see
Touch, see, calculate
Touch, measure, see
15
The atomic mass is based upon the number of __________ an atom has.
number of protons and neutrons
number of protons
protons and electrons
number of neutrons
16
An example of an endothermic reaction that we did is:
WHOOSH
Roasting Marshmallows
Chemical A (yellow liquid) and Chemical B (White powder)
17
Which is Quantitative data?
Cold
Blue
1, 2, 3, 4, 5
Smells like vinegar
18
Elements in group 18 are referred to as what?
Halogens
Nobel Gases
Transition metals
Alkaline Metals
19
What is the smallest part of an element that can still be recognized as that element?
atom
electron
neutron
proton
20
What does a subscript tell you in a chemical equation?
How many atoms of an element you have.
How many protons are in an element.
Where the element is.
What the compound makes.
21
Endothermic reactions are:
Cold
Hot
22
What is the study of matter called?
biology
chemistry
science
matterology
23
WHOOSH was an:
Endothermic Reaction
Exothermic Reaction
24
Products are made when two or more reactants are put together.
false
True
25
Chemical changes can be reversed.
True
False
26
The horizontal rows on the periodic table of elements are called?
periods
families
categories
groups
27
Elements that possess similar qualities and react similarly with other elements are called?
molecules
groups
families
periods
28
Name the element with the atomic symbol of Hg.
Hydrogn
Mercury
Helium
Sulfur
