Parts of an Atom
What are subatomic particles?
What are Valence Electrons?
The number of electrons in the outer orbital
First the periodic table was organized by atomic mass, now the periodic table is organized by increasing...
Atomic number.
How many protons does an atom of potassium have?
19
Mountains are caused by which type of plate boundary?
Convergent
Where are the electrons of an atom located?
In the orbitals (or electron shells)
What are the 3 classes of elements?
Metals, nonmetals and metalloids
Name the element in period 5 group 4.
Zirconium.
What is the Atomic mass of Oxygen?
15.999
Which cell organelle is responsible for providing energy for cell processes?
Mitochondria
Where are the Neutrons of an atoms located?
What class of elements is to the far right of the periodic table?
nonmetals
What period is calcium in
2
How many electrons does a neutral carbon atom have?
6
Name one difference between a plant and animal cell.
What are the charges of subatomic particles?
Protons (+)
Electrons (-)
Neutrons No Charge
What do elements in the same period have in common?
They have the same number of electron orbitals.
Name an Element that is in the same group Carbon.
Silicon, Germanium, Tin, Lead, Flerovium
What does the atomic number tell us? 3 Answers
Protons
Neutrons
What element it is
What is the body system responsible for regulating hormones and growth?
Endocrine System
Where does most of the mass from an atom come from?
The Nucleus
What do elements in the same family have in common?
They have similar physical and chemical properties.
They have the same numbe rof valence electrons.
What is in period 1 with 2 electrons
Helium.
How many neutrons does Hydrogen have?
Zero
Explain kinetic energy
energy of motion