THE ATOM
Radioactivity
Stars and stuff
California
Half lives
100
Where is the proton located and what is the charge of it. ¿Dónde se encuentra el protón y cuál es su carga?
In the middle or nucleus with a positive charge.
100
True or false, isotopes are subatomic particles that float in outer space.Los isótopos son partículas subatómicas que flotan en el espacio exterior.
FALSE
100
In California, In which do we get the most amount of sunlight?
summer
100
What does LA stand for?
los angeles
100
What is the first step in figuring out half live problems?
Finding the initial weight
200
Where are electrons found and what is the charge of it ¿Dónde se encuentra los electrons y cuál es su carga?
in the outside circling the nuclues and has a negative charge
200
What is radioactive decay? Que es radioactive decay
IS when unstable nuclei release particles or energy
200
What is the name of the closest star to us? Cómo se llama la estrella más cercana a nosotros?
the sun el sol
200
Name one city in which people rush to because of the gold rush
San Francisco, Coloma, Sacramento
200
What is the second step in figuring out a half life problem?
Finding the half life
300
What is the purpose of the neutron? ¿Cuál es el propósito del nuetrón?
To keep the atom stable and to hold all the protons together
300
fill in the blank: When the _______ decays it releases energy. Cuando el _______ se desintegra libera energía
Nucleus
300
True or false: the sun creates energy by burning fossil fuels(oil) el sol crea energía quemando combustibles fósiles (petróleo)
False, there another way it happens
300
What is Californias state flower.
The poppy
300
How many half LIVES has this isotope gone under. chemical X has a half LIFE of 10 mins 50 mins have passed.
chemical X has gone under 5 half lives
400
Define electric force. Definir fuerza eléctrica
opposite charges attract each other (protons and electrons)
400
What is Gamma Decay? Que es Gamma decay
High energy released from the nucleus
400
In stars a process called fusion happens, explain it. En las estrellas ocurre un proceso llamado fusión, explícalo.
Fusion is when small lighter atoms are forced into each becoming a bigger atom; Hydrogen to Helium
400
Give me one of California state tree?
The Sequoia , red woods
400
You are a scientist working on thorium, the half-life of thorium is 100 days. Your supervisor gave you 16 grams to work on. How much you thorium you have after 400 days
1 gram is left
500
Define what a isotope is? definiar un isotope
atoms of same element with different numbers of neutrons but same number of protons
500
What is the difference between an alpha and beta decay?Que es la diferncia que un alpha and beta decay?
Alpha decays emits 2 protons and 2 neutrons. Beta emits an electron
500
In bombs and nuclear reactors, fission occurs. explain what fission is .
It is the splitting of atom, making big heavy elements into smaller elements
500
What is California state fruit?
The avocado,
500
in step 3 you divide (time that has passed) / ( halflife) and you get a number. What does that number mean?
The number represents that of half LIVES that isotope has gone under.