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Chapter 7: Atoms and Molecules Flashcards | StudBud
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Chapter 7: Atoms and Molecules
Chapter 7: Atoms and Molecules
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A #Science Quiz to review #chapter7 in #Science6 over #atomsandmolecules.
Flashcards
28 cards
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Questions
28
Answers
1
If the element boron has 5 protons, how many electrons does it have?
five
two
eight
thirteen
2
The sum of protons and neutrons result in an atom's approximate ______ .
atomic mass
electrons
pH scale
atomic number
3
Identify the following as an acid or a base:
can burn; can be corrosive
Base
Acid
4
Identify the following as an acid or a base:
slippery to touch
Base
Acid
5
Identify the following as an acid or a base:
baking soda, soap, bleach
Base
Acid
6
You can determine the concentration of acids or bases in a solution by using __________.
the periodic table of elements
a salt
the pH scale
a particle accelerator
7
A substance; only one kind of atom.
element
atom
chemical number
ion
8
Scientist _______ developed a simplified model of an atom.
Dmitri Mendeleev
Robert Boyle
Niels Bohr
Ernest Rutherford
9
Identify the following as an acid or a base:
lemons, vinegar, tomato juice
Base
Acid
10
A ________ reaction occurs when a compound is broken down into simpler compounds.
combustion
synthesis
replacement
decomposition
11
An atom that has gained or lost electrons.
element
chemical formula
salt
ion
12
The part of the atom with a negative charge.
neutron
proton
electron
nucleus
13
Scientist _______ developed the periodic table of the elements.
Ernest Rutherford
Niels Bohr
Dmitri Mendeleev
Robert Boyle
14
The process in which different types of atoms join and form a new substance.
chemical number
chemistry
chemical formula
chemical change
15
A substance that changes color when exposed to acid or base solutions is called a(n) ________.
molecule
ion
salt
indicator
16
Chemical symbols and numbers abbreviating the name of a compound.
element
atomic number
chemical change
chemical formula
17
Identify the following as an acid or a base:
sour taste
Acid
Base
18
The compound H
2
CO
3
has _____ atom(s) of carbon in it.
two
zero
three
one
19
The smallest piece of an element that can be recognized as that element.
atom
atomic number
ion
element
20
When positively and negatively charged ions attract each other they form a(n)______.
covalent bond
neutron
ionic bond
indicator
21
The part of the atom with a positive charge.
proton
nucleus
electron
neutron
22
Identify the following as an acid or a base:
bitter taste
Acid
Base
23
Element Nature refers to the __________ of an element.
atomic number
name
mass
symbol
24
Based on the number of protons in the nucleus.
chemical formula
chemistry
atom
atomic number
25
In a(n) _____________atoms share electrons.
element
covalent bond
neutron
ionic bond
26
The part of the atom with a neutral charge.
neutron
nucleus
electron
proton
27
The study of matter - what it is made of, what its usual characteristics are, how it reacts.
biology
atomic reaction
chemistry
ionization
28
An ionic compound produced from a reaction between an acid and a base.
atom
ion
element
salt
