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Physics, 30.09.2019 07:30 cluchmasters5634

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metals are ductile. this allows them to

question 4 options:

a. be pulled into long wires

b. conduct electricity

c. melt quickly

d. be used to cover floors

carbon-14 and carbon-12 have the same number of protons but a different number of neutrons. these different forms of the same element are

question 5 options:

a. radioactive

b. isotopes

c. nuclei

d. tracers

which of these statements is not true?

question 6 options:

a. molecules arc made up of atoms.

b. protons are smaller than quarks.

c. atoms are larger than protons.

d. protons are made up of quarks.

the difference between fission and fusion is

question 7 options:

a. fusion is the splitting of a nucleus

b. fission is the joining of two nuclei

c. fission is the splitting of a nucleus

d. there is not a difference

the vertical columns on a periodic table are known as the periods and the horizontal rows are known as groups.

question 8 options:
true
false

all of the following are examples of radioactive decay except which of the following

question 10 options:

a. alpha

b. gamma

c. deka

d. beta

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Answers: 2

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