Ripping a piece of paper would be known as a _____________ change
Physical
Convert 30kg to g
30000 g
What are the orbitals in electron configuration?
S, p, and d
What is energy?
A way to measure force
Measures the ability to do work
What are groups 3-12 called on the periodic table?
Transition metal
Density is measured in what?
Mass- grams
Volume- ml or cm3
Convert 60000 g to kg
60 kg
How many electrons do each orbital hold?
S- 2
p- 6
d- 10
What is force?
A push or pull of a substance
Holds particles together
Which element has the stronger reactivity? (Hint- they are all metals) Sc, Ca, Ti
Ca
Cement is known as a what
Heterogenous mixture
Covert 756 ml to liters.
0.756 liters
Determine the electron configuration for Cl.
1s²2s²2p63s²3p5
When heat is added to a sample of matter it is known as a ____________ process
Endothermic
Which group of elements is rarely found uncombined in nature, due to its strong reactivity?
Group 1
Alkali metals
Definition of matter.
Anything that has mass and volume
Convert 459 liters to ml.
459000 ml
Determine the electron configuration for V.
1s2 2s2 2p6 3s2 3p6 4s2 3d3
When heat is removed from a sample of matter particles slow down, because forces begin to form or break?
Form
Which element has the stronger ionization energy? C or B
C
What is the mass of a 49.6 mL sample of a liquid, which has a density of 0.85 g/mL?
Mass= Density x volume
Mass= 42 g
Convert 876 kg to g
&
Convert 76 ml to liters
876000
&
0.076 liters
What is the name a positive ion?
Cation
Exothermic
What are group 2 elements called?
Alkaline Earth Metals