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science

Science chapter 11 study guide.

sentencesentence
An _______ is the smallest particle into which an element can be divided and still remain the same. Atom
The ______ is dense and positively charged. Nucleus
_______ are found in _____ clouds. Electrons, electron
The number of protons remain the same when dealing with _______. So Uranium 236 and Uranium 238 both have 92 protons. Isotopes.
To find the _____ _____ you have to add the _______ and the ______. So gold with 79 protons and 118 neutrons has an atomic mass of 158 because 118 + 79 = 197 Mass number, Protons, Neutrons.
Carbon has 6 protons, 6 electrons, and 6 neutrons. So together the mass number is ___ because to find the mass number u have to add protons plus neutrons. 12
Hydrogen 1 and Hydrogen 2 have 1 ______ because protons don't change with ________ Proton, Isotopes.
Atom means not able to be _____. Divided.
_______ have the same number of protons. Isotopes.
Protons and neutrons are held together by a ____ _____ in the nucleus. Strong Force
You can find the number of neutrons by _______ the atomic number and the mass number. Subtracting.
The number of protons is the key difference that causes atoms of one element to _________ from the other atoms of other elements. Different
Protons are __. p+
Neutrons are __. No
Electrons are__. E-
Created by: Easy80