Metals, nonmetals, metalloids
Which physical property of metals refers to the way a metal's surface reflects light?
Luster
What is an element in the context of chemistry?
matter made up of a single type of atom
What is one of the most important physical properties of water in regards to earth's climate?
A. Water has a high surface tension.
B. Water has a high specific heat capacity.
C. Water is a polar molecule.
D. Water can dissolve a wide range of substances.
B. Water has a high specific heat capacity.
What happens to the particles in a solid when heat energy is added?
They vibrate in place faster
pH <7
acids
This type of matter can be stretched or drawn into wires
Metals
What is a compound in the context of chemistry?
A substance made up of two or more different elements chemically combined
Why is water often referred to as the 'universal solvent'?
It can dissolve a wide range of substances
How do the particles in a liquid behave with added heat energy?
They can move/slide past each other
pH > 7
Bases
What is the property that describes a material's ability to be drawn into wires?
Ductility
How can compounds be broken down into their elemental components?
Through chemical reactions
What property of water allows it to form droplets and support small insects like water striders?
Water has a high surface tension.
What happens to the particles in a gas with added heat energy?
They move freely and rapidly
List 3 examples of acids
buncha answers
Metals are ___________, and can be reshaped or hammered into thin sheets, while non metals are __________ and break easily.
malleable...... brittle
Balance the chemical formula by changing the coefficients:
__ H2O = __H2 + __ O2
I'm going to demonstrate this one
What type of molecule is water?
Water is a polar molecule.
What is the average kinetic energy of particles related to in a substance?
Temperature
List 3 examples of bases
buncha answers
Where are nonmetals typically found on the periodic table?
To the right of the stair step line
On the periodic table, columns are called _______ and elements are arranged with other elements of similar properties.
groups!
What property of water allows it to climb up a straw when you drink from it?
Water has cohesive and adhesive properties.
How does a substance change from a liquid to a gas?
Which solutions have more H+ ions?
Acids!