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_________ proposed that each element had a characteristics atomic mass.
Answer: C. Dalton Dalton proposed that each element had a characteristic atomic mass.
Answer: C. Dalton
Dalton proposed that each element had a characteristic atomic mass.
See lessThe word ‘mole’ was introduced around 1896 by:
Answer: B. Wilhelm Ostwald The word 'mole' was introduced around 1896 by Wilhelm Ostwald.
Answer: B. Wilhelm Ostwald
The word ‘mole’ was introduced around 1896 by Wilhelm Ostwald.
See lessThe force that a neutron exerts on a proton inside an atom is:
Answer: B. Nuclear force The force that a neutron exerts on a proton inside an atom is nuclear force.
Answer: B. Nuclear force
The force that a neutron exerts on a proton inside an atom is nuclear force.
See lessWhich of the following is not a chemical change?
Answer: D. Glowing of a platinum wire Glowing of a platinum wire is not a chemical change.
Answer: D. Glowing of a platinum wire
Glowing of a platinum wire is not a chemical change.
See lessThe product of equivalent weight and valency of an element is equal to:
Answer: D. Molecular weight The product of equivalent weight and valency of an element is equal to molecular weight.
Answer: D. Molecular weight
The product of equivalent weight and valency of an element is equal to molecular weight.
See lessAn element of atomic number 20 will exit in which period of periodic table:
Answer: C. 4 An element of atomic number 20 will exist in which period of periodic table 4.
Answer: C. 4
An element of atomic number 20 will exist in which period of periodic table 4.
See lessAvogadro state that the total number of atoms in a molecule is known as its:
Answer: C. Atomicity Avogadro state that the total number of atoms in a molecule is known as its atomicity.
Answer: C. Atomicity
Avogadro state that the total number of atoms in a molecule is known as its atomicity.
See lessAn ideal gas is one which obeys:
Answer: A. Gas laws An ideal gas is one which obeys Gas laws.
Answer: A. Gas laws
An ideal gas is one which obeys Gas laws.
See lessThe positron has a charge equal to that of:
Answer: A. A proton The positron has a charge equal to that of a proton.
Answer: A. A proton
The positron has a charge equal to that of a proton.
See lessA molecule of a substance is similar to its atom for:
Answer: C. Monoatomic molecule A molecule of a substance is similar to its atom for monoatomic molecule.
Answer: C. Monoatomic molecule
A molecule of a substance is similar to its atom for monoatomic molecule.
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