Periodic Table
What is the atomic number of Iron(Fe)?
26
balance the equation
___N2 + ___H2 ---> ___NH3
1 N2 + 3 H2 ---> 2 NH3
what is the prefix for 7?
Hepta
What is certainty?
How accurate a measurement is.
what is the electron configuration of Fluorine?
1s2 2s2 2p5
What are colloms and rows called on the periodic table?
Periods and Groups
balance the equation
___KClO3 ---> ___KCl + ___O2
2 KCLO3 ---> 2 KCl + 3 O2
what is the prefix for 9?
Nonna
What are the 2 types of measurement?
Quantity and Unit
What's the electron configuration of Sodium?
1s2 2s2 2p6 3s1
What is the term for "Regular variation in the properties of an element"?
Periodic Trend
Balance the equation
___NaCl + ___F2 ---> ___NaF + ___Cl2
2 NaCl + 1 F2 ---> 2 NaF + 1 Cl2
What is NBR3?
Nitrogen Tribromide
How many rules do significant figures have?
4 rules
Whats the electron configuration of silicon?
1s2 2s2 2p6 3s2 3p2
What group has a -3 charge?
Group 15
Balance the equation: ___NH3+___H2SO4---->___(NH4)2SO4
2 NH3+1 H2SO4--->1 (NH4)2SO4
what do Covalent Nomenclatures do?
Uses a prefix to describe the number of atoms in a molecule.
What is rule 3 of significant figures?
Sandwiched zeros are always significant.
Whats the electron configuration of Chlorine?
1s2 2s2 2p6 3s2 3p5
When doing electron configuration, what do you do to the number if it is in d(the yellow section)?
Subtract 1 from the front number
Balance the Equation
___Ca3(PO4)2 + ___SiO2 ---> ___P4O10 + ___CaSiO3
2 Ca3(PO4)2 + 6 SiO2 ---> 1 P4O10 + 6 CaSiO3
What is Si4F10?
Tetrosilicon Decaflouride
What type of zero is NEVER significant?
Whats the electron configuration of Silver?
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d9