stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Atomic Basics Flashcards | StudBud
Explore
/
Atomic Basics
Atomic Basics
36 terms
·
StudBud Administration
·
14 plays
A quick review of what we need to know about atoms for Bio 1510
Flashcards
36 cards
F
Practice quiz
P
Host live
L
Questions
36
Answers
1
How many protons does oxygen have?
15
8
4
2
2
An element is determined by the number of _____ (also known as atomic number).
protons
wontons
neutrons
electrons
3
All matter consists of particles called
atoms
molecules
units
electrons
4
What is an isotope?
An element that has differing amount of neutrons
An element that has differing amounts of protons
It is always radioactive
An element that has a differing amount of electrons
5
The neutron has a _____ charge.
negative
positive
neutral
I don't know
6
What rule talks about atoms wanting full valence shells?
heptet rule
octet rule
triplet rule
quadtet rule
7
What are my pups' names?
Arya and Blue
Arya and Roxie
Hazel and Blue
Roxie and Percy
8
Atoms consist of parts called
neptons, haptons, & wontons
protons, neutrons & electrons
electrons, protons & wontons
protons, haptons & electrons
9
Covalent Bonds Share Electrons
True
False
10
Electrons have a
neutral charge
positive charge
negative charge
don't know
11
What influences the rate of a chemical reaction?
Catalysts
Temperature
All of the above
Concentration of reactants
12
What does the Bohr Model state?
what is the Bohr Model?
electrons are in discrete orbitals
protons and neutrons are in the nucleus
matter can be neither created nor destroyed
13
How many naturally occurring elements are there?
80
90
96
121
14
Electrons move around in what layer?
ring
shell
circle
level
15
What is the minimum amount of electrons in the outer orbital
0
2
8
1
16
In water, which is the negatively charged molecule?
Oxygen
Hydrogen
17
Electrons farther from the nucleus have less energy than those closer
False
True
18
Ionic Bonds are an Attraction Between Oppositely Charged Particles
True
False
19
The number of protons equal the _____
periodic table
atomic number
atoms
atomic mass
20
What are the big 4 elements in the human body?
CHON
FeNOF
FONH
SMgOC
21
In a redox reaction, what does it mean to be reduced?
Gain a neutron
Gain a proton
Gain an electron
Lose and electron
22
Water can disrupt ionic bonds because of its polarity
True
False
23
Covalent bonds are always stronger than ionic bonds
True
They are the same strength
Depends on the molecule
False
24
What happens to an oxidized atom?
It loses an electron
It becomes negatively charged.
It becomes oxygen
It reacts as a combustion
25
All reactions are final. They aren't reversible.
True
False
26
What determines an atom's reactivity?
protons
electrons
all of the above
neutrons
27
What is so special about water for life in chemistry?
It's a non-polar molecule
It is wet.
It can form hydrogen bonds.
It's important for hydration
28
What has a positive charge?
nucleus
neutron
proton
electron
29
Reactants in a chemical reaction are...
a catalyst
the original molecules
who cares?
the resulting molecule
30
What causes water to be polar?
They are ionically bonded
O doesn't like to share its electrons with H :(
The differing electronegativities of H and O
31
What is the rule for protons & electrons in a neutral atom?
it doesn't matter
there are less protons than electrons
There are more protons than electrons
There is the same number of each
32
Biology is a completely separate discipline from chemistry
True
False
33
Electrons move around ______ the nucleus.
on top of
outside
without
inside
34
What are atomic half lives?
Half the atoms "alive" today
The time it takes an atom to live half its life
The time it takes half the atoms in a sample to decay
10 years if the atom "lives" 20 years
35
Non-polar covalent don't share electrons evenly
False
True
36
The protons and neutrons are in the
middle
electrons
haptons
nucleus
