Atom
What is the center of an atom?
What is nucleus
All the metal elements conduct what?
What is heat
47% Oxygen, 28% Silicon, 8% Aluminum, 5% Iron, 3% Calcium, and 9% other things?
What is earths crust
What is H2O?
What is water
Can a mixture be a solid,liquid,or a gas?
What is yes
If you have more atoms you have more...
What is mass
Elements make up everything in nature
true false
What is true
78% Nitrogen, 21% Oxygen, and 1% other things?
What is atmosphere
What is the chemical name for table salt?
What is NAC1
Is a compound chemical combination?
True or false
What is true
What do you call it if you different atoms together?
What is molecules
What is gold on the periodic table?
What is Au
85% Oxygen, 10% Hydrogen, 2% Chlorine, 1% Sodium, and 2% other things?
What is the ocean
How many atoms are in C2H4(OH)2?
What is 10
What is salt made of?
What is sodium and chloride
What are the three parts of an atom?
What is protons neutrons electrons
Is H2O an element?
What is no
Oxygen 65%, Carbon 18%, Hydrogen 10%, Nitrogen 3%, and 4% other things?
What is living things
How many atoms are in Mg3(PO4)?
What is 13
What are mixtures?
What is a physical combination of two or more substances that retain their own properties and can be separated easily
What are the smallest of the electrons, protons, and neutrons?
What is electrons
What is the purpose of the atomic numbers?
What is to show the amount of protons in the element
How many elements are there on the periodic table?
What is 118
How many atoms are in Al2(S2O3)3?
What is 17
What are compounds?
What is a substance created by the combination af elements