Mole equations and the atom -- TEST IF YOU DARE!

Adapted from Revise OCR Chemistry Revision guide.

DO YOU BELIEVE YOU KNOW EVERYTHING THERE IS TO KNOW FOR UNIT ONE, MOLES AND ATOMS, OCR CHEMISTRY NEW COURSE?!

You may be sadly mistaken, my friend...

BEHOOOOOOOOLD!! THE MOTHER OF ALL OCR CHEMISTRY** UNIT ONE REVISION QUIZZES!!!

**May be useful for people doing other exam boards, or for general smart-arses ^^

Once it's been marked, you can take notes from it -- there are a few useful bits, methinks :]

Created by: Maddison
Created on: 26-05-09 14:54

Symbol equations need to be...

balanced

1 of 10

To work out the number of neutrons in an atom you...

Take away mass number from atomic number

2 of 10

Cations and anions are...

positive ions and negative ions, respectively

3 of 10

[You'll need a periodic table for this one!] How many neutrons in a calcium atom?

4 of 10

The RELATIVE ATOMIC MASS of an element is...

the mass of an element relative to the mass of Carbon 13

5 of 10

Relative MOLECULAR mass is...

the sum of aaaall the masses of the atoms in the molecule

6 of 10

You need to know three different equations to work out the number of moles. Why?

To work out the number of moles in a solid, solution and in gas

7 of 10

The bog standard mole equation is...

No. of moles = mass in grams / Relative Molecular Mass

8 of 10

The amount of gas in moles is...

volume of gas in dmCubed / 24

9 of 10

What two things do you need to know to work out the amount of moles in a solution?

volume of solution, concentration of solution

10 of 10

Other cards in this set

Card 2

Front

To work out the number of neutrons in an atom you...

Back

Take away mass number from atomic number

Card 3

Front

Cations and anions are...

Back

Card 4

Front

[You'll need a periodic table for this one!] How many neutrons in a calcium atom?

Back

Card 5

Front

The RELATIVE ATOMIC MASS of an element is...

Back

View more cards

Comments

Grace Maycock

Report Wed 27th May, 2009 @ 21:12

EEEK only 6 out of 11, god need to revise more.Thanks

Rosie Watts

Report Sat 30th May, 2009 @ 14:24

Hey! Great quiz, just a few problems....

Firstly, question two, the mass number is the top number, and the combined number of protons and neutrons, whilst the atomic number, or proton number is the number of protons. So surely, to calculate the number of neutrons, you should subtract the atomic number from the Mass number.... The answer in this quiz is wrong...

Also, question 6, the RAM is the average mass of an atom of an element on a scale where an atom of carbon-12 is 12, not carbon 13 as the answer states....

Hope this helps, it's a really great quiz!!!

pip

Report Tue 2nd June, 2009 @ 14:02

i agree with u rosie watts but thanks nice quiz

George Frimpong

Report Mon 28th September, 2009 @ 09:37

Easy Peasy Lemony Sqeezy! 90=A*

Kulthoom

Report Mon 12th October, 2009 @ 18:31

Yupp agree with both of you, And some of the answers were really stupid/funny, like the cations and anions are species of onions lolll x

Sian James

Report Sun 29th November, 2009 @ 15:09

Some of the answers are wrong ><

Naomi Sutton

Report Sun 13th December, 2009 @ 16:12

ok so there are a couple of wrong questions but hey you made me laugh and enjoy my revsion of mole calculations which is a break through!! Thanks!!

james

Report Sat 2nd January, 2010 @ 14:00

i think you should calm down next time you make a quiz

Marie

Report Mon 12th April, 2010 @ 14:55

I agree with Rosie.

mirak

Report Wed 12th May, 2010 @ 19:20

.....i also agree with rosie!!.. abt 2 n 6.....

... but nyc quiz!!!

fmPerkins

Report Tue 18th May, 2010 @ 14:07

8/11... and since numbers 2 + 6 are wrongg, ( as rosie said ) it's 10/11; I'm a genius! whoop whoop! you really should fix the answersss x

Michael Bloom

Report Tue 18th May, 2010 @ 17:22

Shame about the 2 wrong questions (6 + 2 are incorrect -__-), but at least it's written with a sense of humour.

Joshua Sampson

Report Tue 18th May, 2010 @ 18:55

not bad but 2 and 6 are wrong

Lor

Report Mon 24th May, 2010 @ 19:12

8 out of 11, well 10 since the answers are wrong, but good quiz :D

WhatsHisFace

Report Tue 25th May, 2010 @ 15:03

That's awesome, thanks! :)

Lauren9Beckwith

Report Wed 2nd June, 2010 @ 12:37

haha lol very funny probably help me remember it coz it made me laugh so much :D

asmaa

Report Sat 25th December, 2010 @ 20:21

thax

John

Report Mon 3rd January, 2011 @ 16:12

Nice quiz, thanks. good indication that i now have masterd these equations

suzi

Report Thu 6th January, 2011 @ 22:51

i must say it was rather easy .but there where a few mistake so try to correct.any how great job .thx

John Wyatt

Report Sat 8th January, 2011 @ 22:15

Good Quiz, but Question 2 & 6 answers are marked wrong

Rob Stewart

Report Mon 10th January, 2011 @ 20:29

How is this at all a good quiz?! you did 11 questions and got 2 of them wrong!!

IF ANYONE HAS TAKEN PHYSICS AT THE SAME LEVEL!! THEN I HAVE MADE A VERY DETAILED QUIZ ON THE COURSE.. WITH 70 QUESTIONS!! NONE OF WHICH ARE ACTUALLY WRONG!! UNLIKE 2/11 HERE, THAT ARE WRONG -.-

CHECK OUT MY QUIZ :D

Cassie

Report Tue 11th January, 2011 @ 17:49

81% n i dnt even do OCR i do AQA gotta say dis lyk wt we hav to learn but quite easier

becca

Report Wed 12th January, 2011 @ 17:42

9/11<--- or 11 :) 2 answers were wrong. Good questions though :)

Jen

Report Thu 13th January, 2011 @ 11:35

Yayy 10/11

Good Quiz :)

mohammed

Report Sun 16th January, 2011 @ 21:58

Question 2 is incorrect

zizo

Report Sun 27th February, 2011 @ 12:55

woooooooooooooow

easy 90% YAHOOO

Q 2 , 6 are wrong

Optimistic guy

Report Sun 24th April, 2011 @ 17:26

10/11; would be full marks, if question 6 wasn't Wrong!

connall

Report Tue 26th April, 2011 @ 20:56

yay 9 out of 11 thanks it was brillant i love ur personal touch

Vicky

Report Sat 30th April, 2011 @ 14:09

72%

not bad but in my book on qs 2 is incorrect here

and i did not know what a bog was :S

and qs i turned it around :(

i put take away atomic number from mass number and it was the opposite

Darlynton Osuji

Report Mon 16th May, 2011 @ 10:10

The answer for question 6 is incorrect... Relative Atomic Mass: The weighted mean mass of an atom compared to 1/12th of the mass of a carbon-12 atom.

PLEASE CORRECT THIS AS SOON AS POSSIBLE AS SOME STUDENTS MAY ACTUALLY GO INTO AN EXAM WITH THE INCORRECT DEFINITION FROM YOUR QUIZ ABOUT RELATIVE ATOMIC MASS!!!

Darlynton Osuji

Report Mon 16th May, 2011 @ 10:15

Question 2 is indeed correct as to work out the number of neutrons in a calcium atom would require you to subtract the relative atomic mass from the atomic number.

To work out the number of neutrons in a calcium atom would be 40.1 - 20 = 20.1 neutrons.

Charley

Report Sat 21st May, 2011 @ 16:24

I hope george frimpong knows the corrections! :P

messime1

Report Thu 10th November, 2011 @ 21:44

Thanks! :)

Lorna Mashongamhende

Report Wed 30th November, 2011 @ 21:02

damn 72% i'll give it another go another day

Prabjeet

Report Mon 5th December, 2011 @ 20:53

Thank you Thankyou Thankyou!!!! Really HATE moles but this was a great help :)

Natasha Naeem

Report Sun 11th December, 2011 @ 20:08

Same as Rosie Watts. i got those 2 wrong and got a bit scared but i thought that they were right.

patrick

Report Fri 23rd December, 2011 @ 11:01

Rosie Watts wrote: the truth

those are the only two questions i answered "incorrectly" too

mmm23

Report Thu 29th December, 2011 @ 20:23

The good thing is people realise the mistakes they made were not mistakes after all =)...

Bilal

Report Mon 2nd January, 2012 @ 21:25

I got 9/11 but should have got 10 because question 6 is completely wrong , sorry. The answer should have been the weighted mean mass of an atom of an element compared with 1/12 of the mean mass of carbon-12.

Holly Tyreman

Report Fri 6th January, 2012 @ 09:55

HEYY!! I got 100%, you fail at answering your own questions. But made me lol quite a bit :)