Electron Configuration
How many letter groups are there?
4 (S, F, D,P)
What type of reaction involves two or more reactants combining to form a single product?
Synthesis reaction
Solve:
Na+Cl2→NaCl
2 Na + Cl₂= 2 NaCl
What is the formation of ionic bonds?
metal + nonmetal / metal + polyatomic
1km to m?
1,000m
Why are the letter groups D and F special?
The letter groups orbital have complex shapes.
What type of reaction, a compound breaks down into two or more simpler substances, often due to heating or an electrical current?
Decomposition reaction
Solve:
C4H10+O2→CO2+H2O
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
What is another word for positive & negative
Cation & Anion
34tons to lbs?
68,000lbs
What element is 1s2 2s2 2p6 3s2 3p3?
Phosphorus
What type of chemical reaction is this ? BrAg + MgNo —> AgMg + NoBr
Double displacement reaction
Solve:
Fe+O2→Fe2O3
4 Fe + 3 O2 = 2 Fe2O3
What is the melting point for metallic bonds
Low
1m to cm?
100cm
What element has the electron configuration [Ar] 4s2 3d10 4p5
Bromine
What type of reaction occurs when a single element displaces another element in a compound, often seen in reactions between metals and acids?
Single displacement reaction
Solve:
C6H6+O2→CO2+H2O
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Give an example of a covalent bond
H2O, O2, CO2
8,800 mm to M?
8.8m
What is the abbreviated electron configuration of Thallium? ( Hint: 81st element)
[Xe] 6s2 4f14 5d10 6p1
In this reaction, two compounds react to form a single product, often a complex compound, such as the synthesis of water from hydrogen and oxygen. What type of reaction is this?
Combustion
Solve:
P4O10+H2O→H3PO4
P4O10 + 6 H2O = 4 H3PO4
What is the difference between compound & molecule
Molecule is any group of atoms held together by chemical bonds, regardless of whether they are the same element or different elements. Compound is a molecule composed of atoms from two or more different elements.
What is 8,000mg to kg?
0.008Kg