Periodic Table
Chemicals
Bonding
Atoms
Random
100
Symbol of calcium
What is the Ca?
100
How many Hydrogen atoms are present in this chemical formula?
3C6H12O6
What is 36?
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
How many atoms are present in this chemical formula? 3Ca(OH)2
What is 15?
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
This is a model of which compound
What is water?
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
What is octet rule?
Atoms will gain, lose, or share electrons to get 8 electrons in their outer shell
400
What are the elements are # 16, 17, 18
What are Sulfur, Chlorine, and Argon?
400
Write the chemical formula of ammonia
What is NH3 ?
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
Which has fewer Oxygen atoms?
2Fe2O3 or
Al2(SO4)3
The first equation.
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
Compare cation and anion.
Cation: An atom that loses electrons and becomes positively charged. Anion: An atom that gains electrons and becomes negatively charged.