Summary
AQA GCSE 9-1 Chemistry Periodic Table topic summary
- Course
- Institution
A summary of the AQA GCSE chemistry specification for the periodic table topic.
[Show more]
Seller
Follow
willg29
Content preview
The atomic (proton) number of an The more shells there are around Metals lose electrons Non metals gaelement determines its position in the the nucleus, the easier an electron
periodic table. can be ‘taken’ without much energy, The Transition Metals:
The number of electrons in the outer meaning it easier to react with. These are located between groups 2 an
shell of an atom determines what group Compared to group 1, they have a high
the element belongs in, so also higher melting point, and they are stro
determines its properties. Electrons are easier for larger atoms harder.
to lose going down the group, and They do not react with water or oxygen
harder for them to gain going down A transition metal can form ions with d
a group. charges, in compounds that are often c
Transition metals and their compound
important industrial catalysts.
The Periodic Table Group 8/0 – The Noble Gases:
Very unreactive, difficult to combine w
elements due to their full outer shell.
As you go down the group, their boilin
Group 1 – The Alkali Metals: increase.
Melting/boiling points decrease as you go down the Group 7 – The Halogens:
group. A halogen is an element, in a compound it is called a halide.
The reactivity of the alkali metals increase as you go The reactivity of the halogens decrease as you go down the group.
down the group. The halogens all form ions with a negative charge in their ionic com
They all react with water, producing hydrogen and the metals.
metal hydroxide. Normally white, and dissolved in The halogens form covalent compounds by sharing electrons with
water, giving colourless solutions. metals.
They form 1+ ions to make ionic compounds. A more reactive halogen will displace a less reactive halogen from
salt.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller willg29. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.02. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75057 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now