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Who proposed the atom theory that all matter is composed of atoms and that all atoms of an element are alike?
John Dalton
What can be made of atoms that are different or atoms that are alike?
Two or more atoms that are alike or different are called molecules.
What substance is made of one type of atoms?
All substances are made up of atoms, living or nonliving. Atoms do have subatomic particles though.
What is the substance made up of atoms?
The atoms of an element are all identical.
What is a pure substance - all the atoms have the same atomic number or number of protons?
A pure substance in which all the atoms have the same atomic number or number of protons is an element.
What are substances in which all atoms are alike?
A substance in which all atoms are alike is an element.
A substance in which all atoms are not alike but all the molecules are alike?
nucleus compound
Substance in which all atoms are alike?
A substance in which all atoms are identical is called an element.
Which of these statements is false all neutrons are alike all electrons are alike all protons are alike all atoms are alike?
True statements: All neutrons are alike, all electrons are alike, all protons are alike (All atoms of a given isotope is only alike). False statement: All atoms are alike All atoms are not alike as they may vary in the number of protons / electrons / neutrons.
Are neutrons in the atoms of different elements alike?
neutrons of all atoms are alike
Is compound a substance in which the atoms are alike but different from the atoms of other elements?
Compound or substance: a molecule containing two or more types of chemical elements.
What is a substance composed of atoms that are chemically alike and not bonded to any other atom called?
Isotope
Do All atoms of an element have to be exactly alike?
yes they do
Is a pure substance contains particles that are all alike?
pure substance
What is the smallest particle of a substance with all the properties of the substance?
atoms
Who proposed the atom theory that all matter is composed of atoms and that all atoms of an element are alike?
John Dalton
All substance are built from what?
All Substances are built from Atoms
