Intro Flashcards
(86 cards)
Explain matter
Anything with mass and occupies space
Explain molecule
Smallest partial of a pure substance that has properties of that substance and is capable of a STABLE INDEPENDENT EXISTENCE
Explain atom
Is the limit of a chemical subdivision of a molecule
What’s an homoatomic molecule
The stable, independent form of elements i.e. o2
What’s a heteroatomic molecule
Stable independent COMPOUNDS i.e. co2
What’s homogeneous
Solution
What’s heterogeneous
Matter in this form i.e. Sand, gravel or a tomato
1 inch = ? Cm
2.54
Volume
Cubed, height x width x length
1 liter = ? cm
1000 cm(3) third power
1 cm(3) third power = ? mL
1 mL
1 teaspoon = ? mL
5 mL
1 fluid ounce = ? mL
30 mL
1 quart = ? mL
947 mL
1 pound = ? Grams
454 g
1 kg (killogram) = ? Lbs
2.2 lbs
Conversation for Fahrenheit to Celsius
F= 1.8 x (C) + 32
Def of calorie
Small c
The amount of energy required to raise the temperature of one centimeter cubed of water, one degree Celsius
Define element
Element molecules are homoatomic molecules, molecules with only one kind of atom
i.e. Helium= He or hydrogen=H
Define compound
Pure substances made up of two or more different kinds of atoms i.e. h2o, there are two hydrogen atoms and one oxygen atom
What’s an isotope
Atoms of same element whose nuclei contain different numbers of neutrons
What is the atomic number
Number of protons
What is the mass number
Total number of protons plus neutrons in nucleus
What’s an ion
An unequal amount of protons and electrons
