Elements on the periodic table
118
How many protons and electrons are in sodium?
11
the particles of a physical change do not change. But a chemical change is when a new substance is formed
How many planets are in our solar system?
8 planets
what is it called when water forms in the atmosphere and falls back to the earth?
precipitation.
how many categories of elements are there in the periodic table?
18
how many protons and electrons are in the element oxygen?
8 silly little goose
who discovered physical and chemical changes
Josiah willard gibbs
which planet is closest to earth?
mercury
what are the major processes of the water cycle?
Evaporation, Condesation, and precipitation
what is the most highly reactive metal element on the periodic table?
Francium
Why dont electrons in the atom enter the neucleus?
(you arent gonna get this right )
Quantum mechanics states that among all the possible energy levels an electron can sit in the presence of a nucleus, there is one, which has THE MINIMAL energy. This energy level is called the ground state. So, even if atoms are in a very very called environment, QM prohibits electrons from falling to the nucleus
is pouring water into a cup a phyiscal or chemical change?
what is the planet name in the center of the solar system
The sun silly baka
who discovered the water cycle?
Bernard Palissy
in what year was the periodic table created?
1869
what force attracts protons and electrons
the electromagnetic force bozo you should have got that right and if u didnt ur a silly little goose
chemical change
what is the name of the planet that is the farthest from us?
pluto
How do plants take in water?
Through their roots
who created the periodic table?
Dmitri Mendeleev Bozo
Who discovered Protons and electrons?
E. rutherford ( Protons)
James chadwick ( neutron )
is baking cookies a chemical or physical change?
what planet rotates on its side?
uranus
what is condensation?
when vapor from the clouds forms back into liquid/rain thanks for playing silly