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BrainPop Atoms
BrainPop Atoms
20 terms
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StudBud Administration
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BrainPop videos: atoms, atomic model, & Periodic table
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
How are electrons arranged in atom?
by color
in groups of five
in energy levels
by shape
2
Carbon has an atomic number of 6. What can you conclude about carbon from this?
it has 6 protons
it has 6 electrons
it has 6 neutrons
it has 6 positrons
3
The word atom comes from the Greek word "atomos" meaning
united
atmosphere
breakable
indivisible
4
To become positively charged, an atom must:
gain an electron
lose an electron
lose a proton
gain a proton
5
Oxygen has an atomic number of 8. What can you conclude from this?
all atoms of ithave 8 neutrons
an atom of ithas 8 protons
an atom of it has 4 protons and 4 neutrons
an atom of itweighs 8 grams
6
What might happen if the strong force didn't exist?
electrons would have positive charges
neutrons would not exist
atomic nuclei would fly apart
it would be more difficult to split atoms
7
Which of the following is an example of a subatomic particle?
hydrogen
carbon
oxygen
electron
8
Where are electrons located in an atom?
they don't exist
with the protons
the space around the nucleus
with the neutrons
9
What 2 types of particles exist within an atomic nucleus?
protons & neutrons
neutrons & electrons
electrons & protons
positrons & meuons
10
What can you conclude from the fact that scientists continue to update the atomic model?
scientists still have no idea what atoms look like
new information about atoms continues to be discovered
scientists didn't have any info about atoms until recently
old information about atoms in completely useless
11
What are electrons?
neutrally charged particles
uncharged particles
negatively charged particles
positively charged particles
12
Which of the following is a true statement?
categories form horizontal rows; gases form vertical columns
periods form horizontal rows; groups form vertical columns
groups form horizontal rows; periods form vertical columns
gases form horizontal rows; categories form vertical columns
13
Ernest Rutherford discovered that atoms were mostly:
electrons
positively charged
negatively charged
empty space
14
What is the significance of the periodic table of elements? Choose the BEST answer
it predicts all the chemical elements in the universe
it lists all the different metals known to man
it proves that atoms are the building blocks of matter
it explains where different atoms can be found
15
The word ATOM comes from the Greek word for INDIVISIBLE. In what way is this true about atoms?
they cannot form bonds with other atoms
they cannot gain or lose electrons
they cannotbe broken withoutlosing their chemical properties
they cannot be separated once the've bonded to other atoms
16
What contribution did John Dalton make to atomic theory? He discovered that...
every element consists of one type of atom
every atom was positively charged
atoms could be divided into smaller parts
atoms had nuclei
17
What do electrons in the same shell have in common?
they have the same amount of energy
they are all positively charged
they all have neutral charges
they are all made up of atoms
18
Noble gases are called "inert gases", what can you infer from this? It refers to substances...
that easily lose electrons
that any gases
that have strong electrochemical charges
that do not react with other substances
19
How do scientists know how atoms are structured?
by splitting them apart
by running experiements that show properties
by examining only the largest atoms
by looking at them with a microscope
20
The majority of atom's mass exists where?
in the neutrons
in the electron cloud
in the space between the nucleus and the electrons
in the nucleus
