Valence Electrons
Periodic Table
Counting Atoms
ID the Element
Miscellaneous
100
How many valence electrons does this atom have?
What is 2 valence electrons?
100
Metal, Nonmetal, or Metalloid?
1. Boron
2. Aluminum
3. Neon
1. Metalloid
2. Metal
3. Nonmetal
100
How many atoms are there of Sodium (Na)?
NaOH
What is 1 atom?
100
This element is in period 2 and has 6 valence electrons.
What is Oxygen(O)?
100
True or False: Plants do photosynthesis and Cellular respiration?
What is true?
200
Is this atom stable?
What is yes!
200
What are the horizontal rows called?
What are periods?
200
How many atoms of hydrogen, nitrogen, and oxygen are there in this molecule, HNO3?
Hydrogen-1
Nitrogen-1
Oxygen-3
200
This element is in period 3 and has 18 neutrons.
What is Chlorine(Cl)?
200
Is Silicon a metal, nonmetal, or metalloid?
What is a metalloid?
300
How many valence electrons does Nitrogen (N) have?
What is 5 valence electrons?
300
What are the vertical columns called?
What are groups (Families)?
300
How many atoms of there are of Magnesium, Oxygen, and hydrogen, Mg(OH)2?
Magnesium-1
Oxygen-2
Hydrogen-2
300
This metalloid is in period 6 and has 6 valence electrons (think about the group number).
What is Polonium(Po)?
300
True or False:
The two products of Photosynthesis are Hydrogen and Oxygen
False, it is glucose and oxygen.
400
What are valence electrons?
What are electrons in the last shell or energy level of an atom?
400
The modern periodic table organizes elements according to this?
What is atomic number?
400
How many atoms of Nitrogen, hydrogen, carbon and oxygen are there, NH4C2H3O2?
Nitrogen-1
Hydrogen-7
Carbon-2
Oxygen-2
400
This metal has similar chemical properties to Zinc and its mass is 112.
What is Cadmium(Cd)?
400
The most realistic portal of how energy flows through an ecosystem.
What is a food web?
500
Would an element be more reactive if it is one away from completing its outer energy shell or if it is three away from completing its outer energy shell?
What is one away?
500
How many electrons are there in a Uranium atom?
What are 92?
500
How many atoms are there total in this chemical formula, (NH4)3PO4?
What is 20 atoms?
500
This non-metal is similar chemical properties to Oxygen and has an atomic mass less than Selenium.
What is Sulfur (S)?
500
Which organism is the foundation of the following food web?
What is carrots, grasses, and grains?