Who established the nuclear theory of the atom with his gold-fold experiment?
Ernest Rutherford
What rule of chemical combination was used to determine the gram of Magnesium oxide when 12.2g of magnesium interacted completely with 8.0g of oxygen in a lab and the mass product of the reaction was revealed to be 20.2g of Magnesium Oxide?
Law of Conservation of Mass
J.J. Thompson discovered the _______ in 1897
ELECTRONS
The Law of Definite Proportion is also known as _________________________________________
The Law of Constant Composition
The mass of electron has discovered by Robert Millikan is __________________
9.109 * 10^-28g
He developed the Law of Constant Composition
Joseph Proust
In 1808, Dalton proposed that elements are made of tiny particles called __________
ATOMS
If elements A and B react to form two compounds, the different masses of B that combine with a fixed mass of A can be expressed as a ratio of small whole numbers. What law of chemical composition is this?
LAW OF MULTIPLE PROPORTIONS
Who discovered neutrons?
JAMES CHADWICK
The total mass of reactants remains constant during a chemical reaction applies to what law of chemical combination
Law of Conservation of mass
The positively charged particles discovered by ______ is known as ________________
Rutherford, Protons
What is the Law of Constant Proportions?
Element composition of a pure compound is always the same
Electrically neutral particles are known as ________, as negatively charged particles are known as _______
Neutrons, Electrons
State the three laws of chemical combination
Law of Conservation of Mass
Law of Constant Composition
Law of multiple proportions
The spontaneous emission of high-energy radiation and particles is known as
RADIATION