From 11247988b4c70818ad272b368f99fa33be19cac7 Mon Sep 17 00:00:00 2001 From: James Su Date: Fri, 6 Sep 2019 19:13:39 +0000 Subject: [PATCH] Update Unit 1: Chemistry.md --- Grade 10/Science/SNC2DZ/Unit 1: Chemistry.md | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry.md b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry.md index 76846b1..6186137 100644 --- a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry.md +++ b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry.md @@ -6,10 +6,17 @@ ## Atoms - Atoms are the smallest unit of an element that still retains its properties - Atoms are made of subatomic particles +- Relative Charge: compared to something. +- AMU = atomic mass units +- models allow people to make accurate preictions about the behaviour of matter +- atmoic notation $`_{19}K`$ +- an isotope is an atom (or atoms) of an element with a unique # of neutrons -|Name|Symbol|Relative mass|Location|Relative Change| -|:---|:-----|:------------|:-------|:--------------| -| +|Name |Symbol|Relative mass (amu)|Location|Relative Charge| +|:--------|:-----|:------------------|:-------|:--------------| +|Protons |$`p^+`$| 1 |nucleus | $`+1`$ | +|Neutrons |$`n^0`$| 1 |nucleus | $`0`$ | +|Electrons|$`e^-`$|$`~\frac{1}{2000}`$|in orbit around nucleus (shell, energy level)|$`-1`$| ## IUPAC |Letter|Definition|