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KATMIT Periodic Table
KATMIT Periodic Table
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1
Which element has theatomic number 9?
F
B
Na
Ne
2
How do we account forthe great variety of substances in the world?
Most of thesesubstances are organic compounds
There are manypossible combinations of atoms.
Atomsare incredibly small.
TheEarth is 4.5 billion years old.
3
)Which of the following elements is a transition metal?
lead (Pb)
xenon(Xe)
silver(Ag)
chlorine (Cl)
4
f an element has 15protons and 16 neutrons and 15 electrons, what is the atomic mass
31
15
30
16
5
Using the followinggeneric atom,choose the method for determining the number of neutrons.
subtract F from G
subtractG from F
add F and G
6
Which of thefollowing elements is an alkali metal?
argon (Ar)
cerium (Cr)
lithium (Li)
lead (Pb)
7
) If an element has18 protons and 20 neutrons and 18 electrons, which expression is correct?
calcium-38
argon-18
argon-38
argon-20
8
1)A cat strolls across a backyard. An hour later, a dog follows the trail of the cat. Explain.
C)The dog is smelling molecules from the cat.
D)The cat is leading the dog into a trap.
B)The dog is smelling atoms from the cat
9
Themass number of an element is ________.
thesum of the electrons and the neutrons
the sum of theprotons and the neutrons
the number of protons
thesum of the electrons and the protons
10
Whichof the following elements is in the fourth period?
chromium(Cr)
carbon(C)
hydrogen(H)
beryllium(Be)
11
Which element has theatomic number 12?
Na
Mg
C
B
12
Which of thefollowing statements best describes an element?
amaterial consisting of only one type of atom
amaterial with more than one type of atom
a material that hasconsistent physical properties
amaterial that has consistent chemical properties
13
Ifyou remove two protons and two electrons from a sulfur atom (S), what newelement is formed?
Si+2
Al+2
Si
14
Which of the following statements describes an isotope?
element with same # of protons, different # of electrons
element with same # of neutrons, diff. # of electrons
e with same # of protons, different neutrons
15
In what sense can youtruthfully say that you are a part of every person around you?
We all live on thesame planet and share the same resources.
We all share the samegenetic code.
We are continuallyexchanging our atoms.
16
Thefollowing statement describes which subatomic particle? D
oes not have an electrical charge.
an electron
a proton
A and B
a neutron
17
Whichof the following elements is a halogen?
lead (Pb)
chlorine (Cl)
argon (Ar)
lithium (Li)
18
Since atoms aremostly empty space, why don't objects pass through one another?
The nucleus of oneatom attracts the nucleus of another atom
The nucleus of oneatom repels the nucleus of another atom
Electrons on atoms repel other electrons of another atoms
19
Howmany electrons are there in the third shell of sodium, Na (atomic number 11)?
none
three
two
one
20
Whichof these properties describes a metal?
conductsheat very well
brittle
transparent
fragile
21
Whatdoes the following element description actually mean?
18
6
O
6 oxygen atoms with18 neutrons
an oxygen atom with 6protons and 12 neutrons
an oxygen atom with 6neutrons and 12 protons
18oxygen molecules with 6 neutrons each
22
Whatdoes the following element description actually mean?
iron-57
ironwith an atomic number of 57
ironwith a mass number of 57
ironwith 57 neutrons
iron with 57 protons
23
________ have a tendency to have very similar chemical propertiesdue to periodic trends
group
period
row
24
Which of thefollowing describes a nonmetal?
ductile
poor conductor ofelectricity
shiny
malleable
25
If all the moleculesof a body remained part of that body, would the body have any odor?
Yes, but only if thatbody is sweating.
Yes, because it wouldstill release photons
No, because therewould be no molecules traveling to our nose
26
Ifan element has 10 protons and 11 neutrons and 10 electrons, which expression is correct?
sodium-11
neon-31
neon-11
neon-21
27
Whichof the following is a property of light?
all of the above
it is a particle
energy comes in packets of uniform size
it is a wave
28
Thenucleus of an electrically neutral iron atom contains 26 protons. How manyelectronsa/
26
52
24
