Periodic Table
P & C Changes
Bonding
Atoms
Random
100
Symbol of calcium
What is the Ca?
100
Cutting paper is an example of
What is a physical change?
100
An element with an unequal number of protons and electrons is called
What is ion?
100
These negative particles balance the positive protons in an atom.
What are electrons?
100
Name an element with 3 electron shells.
The answer may vary?
200
Symbol and name of element with atomic number 19.
What is K, Potassium?
200
Baking cake is an example of
What is a chemical change?
200
An ion with a positive charge
What is a cation?
200
The number of protons in an atom tells you this.
What is the atomic number?
200
CO2
What is Carbon Dioxide?
300
Atomic number of Mg
What is 12?
300
Change in phase such as liquid to solid is an example of
What physical change?
300
Draw the Dot diagram of Carbon.
300
Sub abtomic parts are present in the nucleus of an atom?
What are protons and neutrons?
300
States that mass cannot be created nor destroyed in a chemical reaction.
What is the Law of conservation of mass?
400
Metallic property of Silicon (metal, non-metal, metalloid)
What is metalloid?
400
Baking soda and vinegar is an example of chemical change. What evidence is present?
Production of bubbles or CO2
400
Explain the octet rule and duplet rule.
Octet rule to complete 8 valence electrons.
Duplet rule to complete 2 valence electrons on the first shell only.
400
35Cl2+, how many electrons does it have?
What are 15 electrons?
400
NiCl2 + (NH4)2S -----> NiS + NH4Cl
How many nitrogen atoms are there on the reactant side?
What is 2?
500
Name 2 elements with 8 valence electrons
What are Neon and Argon?
500
Give an example of physical change and 1 example of chemical change.
The answer may vary.
500
Draw and explain ionic bonding using NaCl and an example.
500
15O- . Identify the number of its protons, neutrons, and electrons
What are p-8, n-7, and e-9?
500
Describe 35Cl and 36Cl, and describe these elements
What are isotopes? 35Cl has 17 protons and 18 neutrons while 36Cl has 17 protons and 19 neutrons.