stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Atoms and Molecules for Middle School Science Flashcards | StudBud
Explore
/
Atoms and Molecules for Middle School Science
Atoms and Molecules for Middle School Science
28 terms
·
StudBud Administration
·
2,751 plays
Atoms and molecules basics.
Flashcards
28 cards
F
Practice quiz
P
Host live
L
Questions
28
Answers
1
What was Democritus describing with the word
atomos?
an atom
a mineral
a cell
a virus
2
What are molecules?
It's a type of an atom.
Two or more atoms are linked.
It's a colloid.
It's a mixture.
3
Which picture does not represent a molecule?
Picture A
Picture D
Picture C
Picture B
4
The atoms and molecules that make up matter are always
not moving
drinking soda and eating pb and j's
in motion
5
These are the molecules in a ___________________.
Gas
Bose-Einstein Condensate 🥶
Liquid
Solid
6
What is a proton?
part of an electron
a negatively charged particle found outside of the nucleus
a particle found in the nucleus
the part of the atom that rests
7
What is an atom?
something that contains tritons and neutrons
something made of molecules
a bomb
The smallest unit of matter
8
Which is larger than an atom?
a nucleus
a proton
a molecule
a neutron
9
In what way(s) is this drawing of an atom inaccurate?
It shows the charge of the particles
It show the electrons in orbit around the nucleus
It shows the protons and neutrons in nucleus
It shows the electrons outside of the nucleus
10
How many oxygen atoms are in a water molecule?
1
33
1,234,567
2
11
Which of the following is smaller than an atom?
an electron
a piece of aluminum foil
a molecule
a grain of sand
12
Is an "Adam" and an "Atom" are the same.
False
True
13
How many hydrogen atoms are in a water molecule?
1
0
-24,000
2
14
What makes up the nucleus of an atom?
protons and neutrons
electrons, protons, and neutrons
electrons and protons
electrons and neutrons
15
Why do we use models of atoms?
actual atoms are too small to see
models are fun to play with
models are less expensive than real atoms
models are perfect representations of atoms
16
In what way(s) is this drawing of an atom accurate?
it shows how far away the electrons are from the nucleus
it shows moving electrons
it show the correct parts (protons, neutrons, electrons)
it shows how big the nucleus is
17
What is a molecule?
a combination of two or more atoms
part of an electron
a part of an atom
a moles cuticle
18
Which of the pictures represents an atom?
Picture D
Picture A
Picture C
Picture B
19
The atomic number equals the number of
protons
neutrons
atomic mass
protons and neutrons
20
What is the name of the table that contains all of the different types of atoms?
The periodic table of molecules
The table of chemicals
The table of molecules
The periodic table of the elements
21
Why has the Atomic Theory changed over time?
scientists vote on new theories
old theories become less popular
atomic structure has changed over time
new technologies have allowed the discovery of new info.
22
Which picture contains the most atoms?
Picture B
Picture D
Picture C
Picture A
23
How many protons are in the element Nitrogen?
21
7
14
14.007
24
Atoms cant join together to form molecules...
False
True
25
How many atoms of oxygen (O) are in CO
2
?
1
3
0
2
26
If the nucleus was the size of a marble, how far away would the electron cloud be?
20 kilometers
20 astronomical units away
a football field away
a lightyear away
27
A group of atoms bonded together.
density
atom
element
molecule
28
What is a neutron?
a part of an electron
a neutral molecule
a neutral particle found in the nucleus
a negatively charged particle found in the nucleus
