Flashcards
Sem título
Flashcards do conjunto (9)
- 1What is an atomThe smallest part of an element can be divided into using a chemical reaction
- 2What is an elementA substance containing identical atoms
- 3What is a moleculeA group of atoms chemically bonded together (the atoms may be the same or different)
- 4What is a compound?Made up of 2 or more different elements chemical bonded together
- 5What is an electron?Negatively charged
Relative mas = 1/2000 - 6What is a neutron?Zero charge
Relative mass = 1 - 7What does the nucleus contain and how do you find them?Number of protons= atomic number
Number of electrons= atomic number
Number of neutrons= mass number- atomic number - 8What is a proton?Positively charged
Relative mass= 1 - 9What is the periodic table?Ordered in increasing atomic number
2.8.8.2= most the atomic shell can contain
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- FlashCards sobre Sem título, criado por vickylma em 10-12-2013.
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- vickylma
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