From c5ae6b2e0b46265a845f6fa463bd89840096e981 Mon Sep 17 00:00:00 2001 From: James Su Date: Mon, 9 Sep 2019 19:19:57 +0000 Subject: [PATCH] Update Unit 1: Chemistry.md --- Grade 10/Science/SNC2DZ/Unit 1: Chemistry.md | 24 ++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry.md b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry.md index 6186137..aa3af4e 100644 --- a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry.md +++ b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry.md @@ -14,9 +14,9 @@ |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)|$`-1`$| +|Protons |$`p^+`$| $`1`$ |nucleus | $`+1`$ | +|Neutrons |$`n^0`$| $`1`$ |nucleus | $`0`$ | +|Electrons|$`e^-`$|$`~\dfrac{1}{2000}`$|in orbit around nucleus (shell, energy level)|$`-1`$| ## IUPAC |Letter|Definition| @@ -27,4 +27,20 @@ |A|Applied| |C|Chemistry| -- Involved in studying, varifying information (eg the periodic table -> Describes the elements -> pure susbtances made of only one kind of atom),and publishing. \ No newline at end of file +- Involved in studying, varifying information (eg the periodic table -> Describes the elements -> pure susbtances made of only one kind of atom),and publishing. + +## Trends on the Periodic Table +- Same energy level in each period +- Same number of valence electrons in each group +- Across a row/period $`\rightarrow`$ more $`p^+`$ in nucleus $`\rightarrow`$ greater attraction to $`e^-`$ +- s + +## Metals +- They tend to lose electrons +- They are shiny, ductile, malleable, conductive +- They have a weak/loose hold on electrons + +## Non-Metals +- They are dull, bad conductors - insulators +- Tend to gain electrons +- The have a strong hold on electrons