i need help if i dont pass this i will fell the ninth grade?

Question

(1) The force of repulsion between protons in the nucleus of small atoms is _____ the nuclear force of attraction.
(a) greater than (b) equal to (c) less than (d) too small to be measured compared with (e) both b and d
(2) The range of half-lives of different radioactive elements is from _____.
(a) hours to years (b) days to months (c) seconds to billion of years (d) hours to weeks (e) days to weeks
(3) Hydrogen nuclei collide at high speeds to form helium nuclei. This is called ______.
(a) fission (b) half-life (c) a reactor (d) radioactivity (e) fusion
(4) a device which controls the rate of nuclear fission reaction is called a(n) ______.
(a) hydrogen bomb (b) chain reaction (c) atomic bomb (d) nuclear reactor (e) electrostatic precipitator
(5) The process in which each split atom gives up neutrons which in turn split other atoms and so on is called a(n) ______.
(a) disaster (b) nuclear reactor (c) fusion reaction (d) chain reaction (e) meltdown
(6) Uranium (235) and uranium (238) have the same number of protons but different numbers of neutrons. These 2 elements are said to be radioactive _______.
(a) half-lives (b) isotopes (c) bombs (d) molecules (e) tracers
(7) large nuclei are unstable because the nuclear force _______.
(a) increase as protons move farhter apart (b) decrease as protons move farther apart (c) remains unchanged as protons move farther apart (d) remains unchanged as protons come closer together (e) both a and d
(8) The radioactive emission with the weakest penetrating power is the _______.
(a) alpha (b) X ray (c) gamma (d) beta (e) neutron
(9) The atom that remains after a nucleus disintergrates is______.
(a)larger than the original atom and possibley radioactive(b)larger than the original atom and not radioactive(c)smaller than the original atom and not radioactive(d)larger than the original atom and not radioactive(e)smaller than the original atom and possibly radioactive
(10) In a nuclear disintegration (splitting of an atom), the particle that is ejected may be ______.
(a) a helium nucleus (b) a high speed electron (c) a neutron (d) energy (e) a, b, or c

Dave · Accepted Answer

1. b
2. c
3.e
4.d
5.d
6.b
7.c
8.a
9.e
10.d
Again if someone disagrees with any of these go with that. It's been a long time since I've even thought about this except in terms of quantum theory, the LHC, string theory etc.

marne · Answer

i don't have experience with those exams myself, yet I think of they would be standardized exams of a few type. probable math, analyzing comprehension, and doubtless composition. there is probable a scale of what's seen passing (that they are going to provide help to pass into 9th grade). as an occasion, in case you score slightly decrease in a single section, yet especially in yet another, they are going to known it. The content cloth will probable be on the point of a try that somebody who is going into 9th grade could obtain, to be sure in case you're able to do 9th grade artwork. i'm no longer thoroughly constructive nevertheless, so do no longer quote me on it. in case you get there, great for you. in case you do no longer, do no longer trouble. 8th grade is relaxing and existence will pass on. Do your ultimate!

? · Answer

1 is c  
2 is c
3 is e 
4 is d
5 is d
6 is b
7 is b i think but am not sure
8 is a
9 is e me thinks but not sure
10 is e

now do study yourself as well child ok. the time it took u to ask the question u could have researched all that and more.

happy_totry · Answer

Get a book and read it or repeat the ninth grade.

xxbellumxx · Answer

Well by the title ( fell) = Fail. maybe you should have paid attention better in school. you know study !

mzconceited4lyfe · Answer

seems like you will FAIL science....and you only want someone to do the work for you; i.e. figure it out!

? · Answer

I guess next time you'll work harder, huh?
And it's "Fail" by the way.

Anonymous · Answer

fell....i think you mean FAIL

and it seems like you will just fail science....not that whole grade

hooyen · Answer

OMG 
IS THIS NINTH GRADE WORK ?!?!
im in the ninth grade and i don't know any of this ^^"

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i need help if i dont pass this i will fell the ninth grade?

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