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Periodic Table & Atomic Structure Flashcards | StudBud
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Periodic Table & Atomic Structure
An atom is
Where are the neutrons located?
Periodic Table & Atomic Structure
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#Chemistry #Atoms #Atomic #Atom #Elements
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Answers
1
Where are the neutrons located?
nucleus
orbit
shell
2
An atom is
a neutron
smallest part of element that keeps property of the element
the smallest unit of life
a proton
3
A chemical reaction that produces heat is
technothermic
exothermic
endothermic
ectothermic
4
What kind of charge do protons have?
positive
negative
uncharged
5
The three subatomic particles are
probiotics, neurons, electrons
programs, networks, executives
protons, neutrons, electrons
6
Where are the protons located?
orbit
nucleus
shell
7
What part of an atom are responsible for chemical reactions?
All of the electrons
protons in the nucleus
neutrons in the nucleus
electrons on the outermost shell
8
The number at the bottom of each square on the periodic table is the
atomic number
atomic sequence
atomic symbol
atomic mass
9
The atomic mass tells us
how many protons and neutrons the atom has
how many protons, neutrons, and electrons the atom has
how many protons and electrons the atom has
how many electrons and neutrons the atom has
10
The atomic number tells us
how many protons and neutrons the atom has
how many atoms there are
how many protons and electrons the atom has
how many neutrons and electrons the atom has
11
What is a compound?
a chemical combination of two or more elements
a colloid
a physical mixture of two or more elements
a suspension
12
What are reactants
the way someone responds to a new situation
electrons on the outermost shell of an atom
the new substance that is formed in a chemical reaction
the original substances that react together
13
The law that states that nothing is lost and nothing is gained in a chemical reaction is
The conservation of electrons
The conservation of math
The conservation of mass
The conservation of force
14
A chemical reaction that takes in energy in the form of heat is
technothermic
exothermic
endothermic
ectothermic
15
Who invented the periodic table
Emil Zmaczynski
Timmothy Stowe
Theodore Benfey
Dmitri Mendeleev
16
What is a chemical change?
a substance changes into a different substance
when a substance changes from liquid to gas
when a substance changes from solid to liquid
when gas condenses into a liquid
17
The letters in each square of the periodic table is the
atomic letters
atomic symbol
atomic number
atomic mass
18
An element is
Earth
A pure substance that cannot be broken down any further
Fire
Wind
19
Where are electrons located?
ontario
norbit
nucleus
shell
20
The number at the top of each square in the periodic table is the
atomic principle
atomic number
atomic sequence
atomic register
21
What kind of charge do neutrons have?
negative
uncharged
postive
22
Valence electrons are
the total number of electrons an atom has
the electrons inside the nucleus of an atom
the electrons on the inner shell of an atom
the electrons on the outer shell of the atom
23
Where is 99.9% of an atom's mass located?
orbit
nucleus
shell
neutron
24
What kind of charge do electrons have?
negative
positive
neutral
