stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
science chapter 7 prep Flashcards | StudBud
Explore
/
science chapter 7 prep
science chapter 7 prep
31 terms
·
StudBud Administration
·
33 plays
Imported from external platform
Flashcards
31 cards
F
Practice quiz
P
Host live
L
Questions
31
Answers
1
the atomic mass is __________
primarily determined by the number of neutrons and elections
primarily determined by the number of protons and elections
primarily determined by the combined number of protons and neutron
primarily determined by the number of protons only
2
In a __________ reaction, one element replaces another
single replacement
double repalcement
synthesis
decomposition
3
What part of the atom is "a"
nucleus
proton
electron
neutron
4
In a __________ reaction, two elements switch places
single replacement
double repalcement
decomposition
synthesis
5
In a(n) ________ bond, a positively charged ion bonds with a negatively charged ion
ionic
covalent
fusion
synchro
6
An atom is _________
produced from an acid and base
chemical symbols and numbers abbreviating the name of a compound
the smallest part of an element that can be recognized as an element
made up of elements
7
Bases can be slippery
False
True
8
the compound H
2
CO
3
has _____ calcium atom(s) in it.
zero
one
two
three
9
Acids have a bitter taste
False
True
10
This scientist was known for developing as simplified model of an atom
Atom Antimony
Niels Bohr
Robert Boyle
Dmitri Mendeleev
11
Bases have a bitter taste
False
True
12
In a __________ reaction, compounds break apart
single replacement
decomposition
double repalcement
synthesis
13
the compound H₂O has _____ hydrogen atom(s) in it.
two
three
zero
one
14
the atomic number is __________
determined by the number of neutrons and elections
determined by the combined number of protons and neutron
determined by the number of protons and elections
determined by the number of protons only
15
What does the "10" represent in the periodic cell?
Element nature
Atomic number
Chemical symbol
Atomic Mass
16
If I know the element copper has 29 protons. I also know how many electrons it has.
True
False
17
What part of the atom is "c"
electron
neutron
proton
nucleus
18
What does the "20.1797" represent in the periodic cell?
Atomic number
Chemical symbol
Atomic Mass
Element nature
19
What day of spirit week is Tuesday (April 1st)
pajama day
jersey day
twin day
America day
20
What does the "NE" represent in the periodic cell?
Atomic number
Element nature
Atomic Mass
Chemical symbol
21
An element is ___________
an atom that has gained or lost an electron
an ionic compound produced from a reaction between an acid and base
a substance; only one kind of atom.
the smallest part of an element
22
Acids can burn and be corrosive
True
False
23
Some acids include lemons, vinegar and tomato juice
True
False
24
Chemistry is _____________
based on the number of protons int he nucleus
an ionic compound produced from a reaction
the process of atoms joining together
The study of matter, what its made of, and how it reacts to other matter
25
Some bases include baking soda, soap, and bleach
True
False
26
What does the "Neon" represent in the periodic cell?
Chemical symbol
Element nature
Atomic Mass
Atomic number
27
What part of the atom is "b"
electron
proton
nucleus
neutron
28
In a(n) ________ bond, atoms share electons
fusion
ionic
covalent
synchro
29
A substance that changes color to acid or base solutions is called a(n)
indicator
molecule
ion
salt
30
In a __________ reaction, molecules combine
decomposition
single replacement
double repalcement
synthesis
31
This scientist was known for developing the periodic table of the elements
Niels Bohr
Dmitri Mendeleev
Robert Boyle
Ernest Rutherford
