Terms or Laws
A substance can be divided into infinitely smaller pieces without ever reaching a fundamental, indivisible limit.
What is continuous theory of matter?
A substance that contains only one element or compound
What is a pure substance?
Malleable, have luster, and conduct electricity.
What are metal elements?
12.0g C + 14.0 g N + 3.0 g H = ______
before it is decomposed.
What is 29.0 grams?
The scientific and philosophical concept stating that matter is finite and made of separate, indivisible particles called atoms, rather than being a continuous, unbroken medium.
What is discontinuous theory of matter?
A substance that contains different compounds and/or elements.
What is a mixture?
A heavy, jagged line that runs down the right side of the chart separating these ______. Which ones are on which side?
What are metals and non-metals, left side metals and right side non-metals?
The mass of all its elements added together.
What is compound mass?
If 2 elements combine to form different compounds, the ratio of masses of the second element that reacts with a fixed mass of the 1st element will be a simple, whole - number ratio.
What is a Law of Multiple Proportions?
A compound that contains at least 1 metal and at least 1 nonmetal atom.
What is ionic?
Brittle, lack luster, and do not conduct electricity.
What are non-metal elements?
A chemical formula of a molecule that is made up of 12 carbon atoms, 24 hydrogen atoms, 10 oxygen atoms, and 2 sulfur atoms.
What is C12H24O10S2 ?
The proportion of elements in any compound is always the same.
What is The Law of Definite Proportions?
A compound that shares electrons and mostly made up of nonmental elements.
What is a covalent bond?
The second letter of the atomic symbol is lowercase, NaCl.
To burn a piece of wood, oxygen gas has to be added. Ash, carbon dioxide, and water are products of the burning process. If 3.8 kg of O gas is used to burn a piece of wood, then what was the mass of the wood if a chemist collects 3.12 kg water, 925 g ash, and 15.14 kg of carbon dioxide?
What is 15.4 kg?
Matter cannot be created or destroyed, it can only change forms
What is Law of Mass Conservation?
A mixture with a compositioin that is different depending on what part of the sample is observed.
What is a Heterogeneous mixture?
BeS form this type of special bond.
What is ionic bond?
What is N4H6?
(Pre-fix tetra means 4 & prefix hexa means 6)