Atoms
What 3 basic particles is an atom made up of?
1 Protons
2 Neutrons
3 Electrons
A representation of reality that tries to explain how things work
Scientfic Model
What will happen if you have two like charges next to each other?
They will repel eachother
This person predicted the existence of elements that have not been found yet.
Dmitri Mendeleev
Who is Spngebobs bestfriend?
Patrick Star
Elements can be combined to form one type of matter, what is this called?
A compound
What is the atomic number of an element?
Number of protons
A negativley charged ion is known as a?
Anion
On the periodic table horizontal rows are called _____ and vertical columns are called______
periods / group or familie
What is the smallest planet in our slar system?
Mercuary
Na+ has an atomic number of 11. How many protons does it have?
11
Carbon-12 and carbon-13 are the same elements but have different number of neutrons.What is the word for this?
Isotopes
Cl- has a charge of -1
How many protons does it have?
17
As number of protons ________, electrons get closer
increase
Who won the nba championship last season?
OKC Thunder
4C6H12O6 How many Hydrogen atoms are there in this chemical formula?
48
This person used x-ray to count the number of protons in an atom, and rearranged the periodic table according to it.
Henry Mosley
S2- has a charge of -2
How many electrons does it have?
18
Which has a greater atomic radius, Fluorine(F) or Potassium(K)?
Potassium
Who has the most passing touchdowns in a single NFL season
Peyton Manning 55
How many molecules are in the following chemical formula? 3CaSO4
3
Can you name one of the three statements in Daltons atomic theory
1.All matter is composed of extremely small particles called atoms.
2.Atoms cannot be subdivided, created, or destroyed.
3.In chemical reactions, atoms are combined, separated, or rearranged in specific ratios
What ionic compound is formed between Al3+ and N2-?
Al2N3
Which has greater electronegativity?Magnesium (Mg) Calcium (Ca)
Mg
What is the national animal of Scotland?
A Unicorn