These are the outermost electrons in an atom. They determine the "reactivity" of the atom.
What are valence electrons?
This subatomic particle is what differs in an isotope compared to it's non-isotope version.
What are neutrons?
This organizes elements by atomic #.
What is the periodic table of elements?
Who was Ruth Bader Ginsburg?
Joan Ruth Bader Ginsburg was an American lawyer and jurist who served as an associate justice of the Supreme Court of the United States from 1993 until her death in 2020
Laws of motion & forces.
Ex: Inertia
This is the building block of all things.
What is an atom?
Hyphen form vs. nuclear form
Potassium-40
vs.
40K
What are the 2 ways to write an isotope?
What does the group # tell you?
How many valence electrons there are in an atom.
What country wants to ban TikTok & why?
China- due to privacy concerns.
What is a closed circuit?
Democritus, Mendeleev, Rutherford, Thomson, Moseley
Who are scientists who helped discover the structure of the atom?
Medicine, agriculture, etc.
What are some uses for isotopes in daily life?
What does the period tell you?
How many electron energy shells an atom has.
Has 6 legs and 3 body parts.
What is water displacement used for?
To find the volume of an oddly shaped item.
This is the part of an atom where the MASS is.
What is the nucleus?
The number of neutrons in Carbon-13.
What is 7?
Why do elements in the same group have similar properties?
Because they have the same number of valence electrons. The # of valence electrons influences how they react or combine with other elements.
T/F: A shrimp's heart is in its head.
True.
How do you find the density of an item?
D= mv
What holds an atom together?
Hydrogen-1.
What is the most common form of hydrogen in nature?
Alkali, Alkaline, Rare Earth Metals, Transition, Halogens, Noble gases
What are names of groups on the periodic table of elements?
T/F: Stop signs used to be yellow.
The first stop signs were posted in Michigan in 1915, says the Manual of Traffic Signs. Originally, they were square-shaped, measuring 2 feet by 2 feet and featured black letters on a yellow background, according to Jalopnik.
Name one fact that surprised you from a previous unit.
Answers vary.