Covalent Bonding
When bonding how many valence electrons does an atom want in its outer shell?
What is 8?
What is it called when an atom has an unequal number of protons and electrons?
What is an ion?
What is the atomic number?
What is the number of protons?
What type of reactions absorbs energy?
What is endothermic reaction?
A handwarmer would be an example of what type of reaction?
What is exothermic?
What are the HONC rules?
What is H:1, O:2, N:3, C:4?
What charge do cations have?
What is positive?
What is the atomic mass?
What is the number of protons + neutrons?
What type of reactions releases energy?
What is an exothermic reaction?
How are elements on the periodic table organized into columns?
What is valence electrons?
How many electrons are being shared in a single bond?
What is 2?
What charge do anions have?
Name an element that shares the most properties with lithium?
During an exothermic reaction, do the reactants or the products have more energy?
What is reactants?
What is the chemical formula for the stable ionic compound formed between a lithium cation and a sulfide anion?
What is Li2S?
How many electrons are being shared during a double bond?
What is 4?
Which column of the periodic table are the most reactive?
What are the alkali metals?
Will sodium become a cation or anion? Write its ion charge as well
What is cation, Na+?
Draw a reaction of an exothermic reaction
Answer may vary
Potassium has one valence electron, will it donate or accept an electron, AND will it become a cation or anion?
What is donate and become a cation?
What is a covalent bond?
What is sharing of electrons?
Why are the alkali metals the most reactive?
What is they donate their one valence electron?
Will chlorine become a cation or anion? Write its ion charge as well
What is an anion, Cl-?
Draw a graph of an endothermic reaction
Answers will vary
How do potassium (K) with oxygen (O) combine to form potassium oxide (K2O)
What is one oxygen (O) atom bonds with two potassium (K) atoms?