Identify Element
Parts of an atom
Atomic number
Atomic mass
Element or compound
100
What element has the symbol He?
Helium
100
This subatomic particle of the atom has a positive charge.
Protons
100
The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?
__________ energy to _________ energy
What is potential to kinetic
100
Atomic mass is located where in the atom?
Nucleus
100
Made up of one type of atom such as hydrogen, element or compound?
Element
200
What element has an atomic number of 10?
Neon
200
What does part of the atom does the red circle represent?
Nucleus
200
A ball is thrown and projected into the air. At what point is potential energy the greatest?
What is the letter B.. remember you are throwing a ball into the air so KE is being transferred into PE.
200
Atomic mass is ______________ + _______________
Protons +neutrons
200
If sodium and chlorine were combined together to make NaCl, is this an element or compound?
Compound
300
This element has 6 protons and 6 neutrons
Carbon
300
What two subatomic particles of an atom make up the mass?
Protons and neutrons
300
How does the mass of a bowling ball that has been rolled down the lane affect the kinetic energy?
The Kinetic energy is increasing.. because KE depends on mass and speed... as mass increases so does the speed.
300
What is the atomic mass of this element?
18.998 rounded to 19
300
Is sugar an element or compound if it is made up carbon, hydrogen and oxygen?
Compound
400
This element has 8 protons, 8 electron and 8 neutrons
Oxygen
400
This subatomic particle is found inside the nucleus, has no charge, has mass and acts as the glue
Neutrons
400
What is the law of conservation of energy?
In a closed isolated system the total amount of energy remains the constant. Can change form but never lost or created.
400
If I have 7 protons and 7 electrons what is the atomic mass of this element?
14 ( 7+7)
400
We breath out carbon dioxide and take in oxygen. Which one is the element?
Oxygen
500
This element has 12 protons and 10 electrons with an atomic mass of 24
Magnesium
500
Label 1-4 correctly
1. Electrons
2. Neutron
3. Proton
4. Nucleus
500
An object with mechanical energy has some form of motion. whether it has _________________ or ______________________ or ___________________
kinetic energy or potential energy or both
500
If I have 13 protons, 14 neutrons and 13 electrons what is the atomic mass of this atom?
27 ( 13+14)
500
What makes water a compound and not an element?
It is made up of 2 hydrogen atoms and 1 oxygen atoms.