Atoms
The center of an Atom is called the what?
What is the nucleus
Neutron is _______ charged
What is : uncharged/ neutral
How are the atoms arranged on the periodic table?
What is in order of increasing atomic number
what two particles make up an atom's nucleus?
What is : protons and neutrons
List the number of atoms of each element in the following molecule.
NaCl
1 atom of sodium, 1 atom of chlorine
electrons, protons and neutrons have what charge, and where are they found
What is : negatively, positive and neutral electrons are found in orbital, protons and neutrons found in nucleus.
Most of the elements on the periodic table are what?
Metals
Potassium has how many protons, electrons, and neutrons?
Protons: 19
Electrons: 19
Neutrons: 20
H(2)0(2)
2 atoms of hydrogen, 2 atoms of oxygen
What is matter
anything that has weight and occupy space
The sum of protons and neutrons is called
What is : Mass Number or Atomic Mass
If an element is in the same column as another element, that means that the elements.....
Have similar chemical characteristics
How many total atoms are in the following molecule?
2C(2)H6)
16 total atoms
List the number of atoms of each element in the following molecule.
2C(2)H(6)
4 atoms of chlorine, 12 atoms of hydrogen
In an atom, which has the least mass or is the lightest? A: nucleus B: proton C: neutron D: electron
What is : electron
What is an atom?
Tiny particle made of protons, electrons, and neutrons
What is: the atomic number, number of protons, and number of electrons of Mg on the periodic table.
12, 12, 12
Who is your favorite Science Teacher?
Who is Miss Jordan
List the number of atoms of each element in the following molecules.
C(6)H(12)O(6)
6 atoms of carbon, 12 atoms of hydrogen, 6 atoms of oxygen
Describe the difference between atomic number and mass number *Multiple sentence answer*
What is : The atomic number is the number of proton in an atom. The Mass number is the sum of the number of protons and neutrons in an atom of a particular isotope
A particle that attracts electrons
What is : Protons
how many elements are on the periodic table
what is 118
Krypton has how many protons, electrons, and neutrons?
Protons: 36
Electrons: 36
Neutrons: 48
How many total atoms are in the following molecule?
C(6)H(12)O(6)
24 total atoms