Chemistry: Fresh air and Foundation Line Analysis Paper

Create your name in this article

Surname

Other brands

Centre Quantity

Candidate Number

Edexcel IGCSE

Chemistry

Unit: 4CH0

Scientific research (Double Award) 4SC0

Paper: 1C

Wed 25 Might 2011 – Morning

Period: 2 hours

Newspaper Reference

4CH0/1C

4SC0/1C

You must have:

Ruler

Candidates may use a calculator.

Total Marks

Recommendations

black tattoo or

• Usein the boxesball-point coop. page together with your name,

Fill up

at the top of this

• hub number and candidate quantity.

all

• Answer thequestions. in the places provided

inquiries

• Answermay be more space than you will need.

– right now there

• Present all the measures in any calculations and point out the models.

Information

for

• The total markeachthis daily news is one hundred twenty. in mounting brackets

The represents for

problem are shown

• – use this as a guide concerning how much the perfect time to spend on every question.

Guidance

Read

properly

• Maintain each questiontime. before you start to reply to it. • Write an eye on the neatly in addition to good British.

• Try toyour answers question.

• Checkanswer every if you have time at the end.

• your answers

P38731A

В©2011 Edexcel Limited.

1/1/1/1/

*P38731A0132*

Turn over

2

*P38731A0232*

Answer ALL questions.

one particular Atoms have three several types of particle.

They are electrons, neutrons and protons.

(a)Which among the three contaminants has a unfavorable charge?

(1)

................................................................................................................................................................................................................................................

(b)Which one of many three contaminants has the most compact mass?

(1)

................................................................................................................................................................................................................................................

(c)Use terms from the container to total the content below.

Every word can also be used once, more often than once, or certainly not.

electrons

neutrons

protons

....................................................................

and....................................................................

(1)

(ii) Isotopes will be atoms together with the same number of....................................................................

molecules

(i) Atoms will be neutral because they have equal numbers of

elements

although different amounts of.................................................................... in the center.

(2)

(d)An atom of magnesium could be represented by the symbol 24Mg. 12

Work with numbers to complete the statements above about this atom.

(i) The atomic number of this atom is................................

(ii) The mass number of this kind of atom can be................................

(iii) The electronic setup of this atom is................................

(1)

(1)

(1)

(Total to get Question you = 8 marks)

*P38731A0332*

3

Start

2 (a)Substances can be grouped as elements, compounds or mixtures.

Each one of the diagrams beneath represents either an element,...



News

 Emily Dickinson and Charles Wright Composition

Emily Dickinson and Charles Wright Composition

Faith and spirituality may be explored in the poetry from the New Britain poet Emily Dickinson and the Southern poet person Charles Wright. Dickinson tries for ideas in the Bible, while…...

 Imperialism Essay

Imperialism Essay

INTERNATIONAL INCIDENTS / ROOTS OF WWI II. IMPERIALISM Colonialism Imperialism Date overdue 15th 100 years – 1815 1870s – 1914 Colonisers…...

 Paradox Of Affluence Article

Paradox Of Affluence Article

Paradox of Affluence Allen Barrett PSY/220 Lynn Lunceford Oxford University or college professor Avner Offer concluded in a open public lecture with the London…...

 Global Article

Global Article

Accounting Regulation nationwide Today we all discover: 1 ) Why accounting regulation is becoming a bigger concern for business and society. installment payments on your What are ‘Accounting Standards'?…...

 Essay regarding Economy of eire from 60 Onwards

Essay regarding Economy of eire from 60 Onwards

Project Title: The introduction of the Irish Economy since 1960 Component: Economic and Social Plan Course: BAHBMD3 Date: 13 November 2012 College student: Kenneth…...

 Permit and Opening Portion Essay

Permit and Opening Portion Essay

п»їHomework Complete Activity #1, found on page 257 in our eBook or webpage 256 within our printed textbook. For this activity, please create a series of queries…...