Into to Chem
This number (22.99) is associated with the element Na.
What is the atomic mass?
He was the philospher who gave 18th century Scientist such as Dalton a head start
Who was Democritus?
Radioactive isotopes are stable. True or False
False. Radioactive isotopes are unstable
He is the leading scorer in NBA history.
Who is Lebron James?
Alkali metals
Atoms with same number of protons but different numbers of neutrons are actually atoms of the same element
What are isomers?
JJ Thomson was the father of this dessert sounding model.
What is the Plum Pudding Model?
The Geiger counter is used to measure the radioactivity in these?
What are isotopes?
He holds the record for most NBA MVP awards
Who is Kareem Abdul-Jabbar?
An element that loses 2 electrons becomes more this
What is (more) positive?
What is mass?
Amount of material
True or False. Metalloids have an intermediate conductivity and low melting points.
False. Metalloids have an intermediate conductivity and high melting point.
He has the record for most NBA seasons played?
Who is Vince Carter?
Where are the non-metals on the periodic table?
On the right side of the stair-step
Protons, Electrons and Neutrons
What are parts of an atom?
Rutherford’s model of the atom include this, that Thomson’s model did not have.
What is a nucleus?
What are some examples (3) of physical properties of metals?
Color
Hardness
Malleability
Conductivity
Lustrous
Spurs, Mavericks and Rockets
What are NBA teams located in Texas?
What are the block of the periodic table?
S block
D block
P block
F block
These make the charge of the nucleus of an atom positive.
What are protons?
True or False: Electons can be easily and specifically located
False (electron cloud)
True or False: The reactivity of metals is directly related to the ability of it to lose electrons?
True
This NBA team wears pink Jerseys
What is the Wizards?
Where are metalloids located on the periodic table?