Labs
Oil _____ mix with water. Sugar _____ mix with water
Doesn't, does
Many of these compounds are shiny and malleable, they are great conductors of electricity.
Metals
Graphite and diamonds are both exclusively made up of the element _______
Carbon
The observable appearance of salt is cubic and sheer. What does this say about the atomic structure?
The atomic structure is also cubic in form
Polar bears only live in the ______ pole
North
Was fluorite conductive?
No
A group of atoms that are held together by chemical bonds and act as a unit.
Molecules
Most non polar covalent compounds are ________ at room temperature.
Gases
Metals are generally very malleable and _________
conductive
What is the study of space, the universe, and the objects in it?
Astronomy
One conductive material in the Examining Elements lab was:
The penny, the paperclip the galena
This nonmetal compound has very little attraction to other atoms. They boil at very low temperatures. There is a large amount of space between particles.
Nonmetal gases
________ are substances where the atoms in a solid for a repeating pattern. One example is a snowflake.
Crystals
Describe the structure of a nonmetal gas:
Particles are far apart and not connected to each other
The most abundant element on Earth
Oxygen
______ is known for its yellow hue and rough exterior. It has a distinct egg-like smell.
Sulfur
These solid structures are not conductive, are brittle, and generally have low melting points.
Nonmetal solids
Nonmetal solids have _____ kinetic and potential energy. They also have _____ melting points when compared with metals.
Low, low
Describe the structure of a polar covalent compound
The molecules have are attracted to each other, but not with the same order and precision seen in ionic compounds.
Guess the animal: This animal has white fur in the winter and brown fur in the summer, it has a huge fluffy tail, their diet is mostly rodents, they endure winter temperatures as low as -70* C (-94* F)
The name of the white crystal tested in the Examining Elements lab. It was not conductive, had a smooth semi-translucent surface.
Calcite
_______ compounds form between atoms of opposite charges. They have a very strong attraction to each other. They form with repeating patterns of structures.
Ionic
_______ and diamond are identical chemically but have different physical characteristics.
Graphite
Describe the structure of an ionic compound
Neat, repeating rows of attracted atoms. It is crystalline and cubic.
Guess the animal: This animal is the fastest animal in the ocean (up to 68 mph), it has a huge distinctive fin on its back that gives it its name, they are top predators in the ocean, they are blueish grey in color, they are around 120 pounds
Sailfish