The Atom
Periodic Table
Charges
Atoms Miscellaneous
Miscellaneous Science
100
What particles make up the nucleus of an atom?
Protons (Positive Charge)
Neutrons (No Charge)
100
The Periodic Table of the Elements
Helium, Neon, Xenon and Radon on the Periodic Table are considered as what?
The Noble Gases
100
The Periodic Table of the Elements
How are elements arranged on the Periodic Table?
Elements are arranged by increasing atomic number (number of protons)
100
The Periodic Table of the Elements
Lead (Pb) has how many protons?
Gold (Au) has how many protons?
Lead has 82
Gold has 79
100
What is the driving force behind ocean currents and wind currents?
Convection
200
The Periodic Table of the Elements
Which element has 6 protons?
Carbon
200
The Periodic Table of the Elements
What element has the symbol K?
Potassium
200
Subatomic Particles
Particles with a positive charge in an atom are called what?
Protons
200
The Periodic Table of the Elements
Which element is the better conductor of electricity silver (Ag) or nitrogen (N)?
Silver (Ag) because it is a metal.
200
What do 2 locations of the same latitude have in common?
they have similar annual temperatures/sunlight exposure
300
What type of particles in the atom help determine the type of element?
Protons
300
The Periodic Table of the Elements
Each element on the periodic table is made up of a different type of atom. Which element has more protons Nitrogen or Hydrogen?
Nitrogen
300
Particles with negative charge in an atom are called what?
Electrons
300
The Periodic Table of the Elements
Which element has more protons Aluminum or Hydrogen?
Aluminum
300
Is Sodium Chloride (Table Salt) an element or compound?
compound
400
#1 and #2 on the Periodic Table of Elements
Hydrogen and Helium
400
- water (H2O)
- How many atoms of Hydrogen and Oxygen are present in water?
2 Hydrogen
1 Oxygen
400
Particles with no charge in an atom are called what?
Neutrons
400
The Periodic Table of the Elements
Which of the following is not a nonmetal? sulfur, oxygen, silicon, nitrogen
Silicon
400
What type of weather exists in the equatorial region?
warm and wet weather
500
________form when 2 or more elements react chemically to form a new substance.
Chemical Compounds (Molecules)
500
The Chemical formula for ammonia is NH3
How many atoms of Nitrogen and Hydrogen are present in ammonia?
1 Nitrogen
3 Hydrogen
500
Subatomic Particles
What determines the atomic weight of an atom?
The sum of the protons and neutrons.
500
The neutral atom of Lithium-7 has _____ protons and ______ neutrons
3 Protons and 4 Neutrons
500
CO2 Carbon Dioxide How many atoms are present in the compound?
1 atom of Carbon
2 atoms of Oxygen