Properties
The boiling point is the point at which water turns to which form.
gas/solid/liquid
What are the 5 signs of a chemical property?
Oder (gas), color change, releasement and absorption of heat, the production of sound and light, and the loss of identity.
How many elements are in the compound H2O?
2, H and O.
What is element number 1?
Hidrogen, it's pretty obvious.
What elements are most likely to have the same characteristics.
The ones in the same group or family, there related.
What is the boiling point of water in celsius and fahrenheit?
212/211/212 & 100/100 & 212
100 & 212, the question asked for the celsius then the fahrenheit.
I crumbled up a piece of paper and threw it into water, what changes happened?
chemical/physical/chemical & physical
Physical, solubility is a physical property.
How many elements are on the periodic table?
118, look at your periodic table.
What element is located in group 9 period 1?
Nothing, there is nothing there.
I the element Lv a metalloid?
Which one is not a chemical property?
electrical conductivity/flammability/toxicity/reactivity
Electrical conductivity, it is the same object even when it conducting electricity.
How many chemical and physical changes are there in this world?
Infinite, they keep coming and coming and there is no end.
How many elements are in the compound NaCl?
2, Na and Cl.
What is element 52?
Tellurium, it's asking for the element not it's nickname.
How many metalloids are on the periodic table?
7, that's not very many.
Oxidation is a reaction with metal that causes rust, so it is related to reactivity.
true/false
True, there both chemical properties and cause change.
true/false
False, it was not changing color only having color added.
Everything in this world is a compound.
true/false
False, there are things made of a single element.
18, that still isn't very much.
Which is a chemical property and which is the physical property?
flammability (chemical) & luster (physical)/there both chemical
Flammability (chemical) & luster (physical), luster is the shine of an object.
If I mix water and sugar, freeze it, then boil it, and then add flour and bake it in the oven it went through a chemical change.
true/false
True, when you add flour to water it starts to rise after you put it in the oven.
What elements make a peanut butter and jelly sandwich?
BPBJB, It was just a joke.
All of the elements that make up this world are on the periodic table.
true/false
False, you have to think about the unknown elements.
How many metals are on the periodic table?
95, too bad there so hard to count.