What is the definition extensive properties?
Properties which change it sample size.
What is the definition of physical properties of matter
things which can be determined with senses or measuring tool.
What is the definition of isotpes
atoms of the same element with different numbers of neutrons.
What is the definition of core electrons
All the electrons not in the outermost shell.
What is the definition of synthesis reaction?
combining together of 2 or more substances to form a new product
how do you calculate density.
Mass/volume
what are some examples for you tell if it a chemical properties of matter
Flaminability and reactivity.
how do you calculate neutrons for elements
n0=mass-p+
how much valence electrons does Iodine have?
It has seven valence electrons.
What is the smell for a ring structure without a bridge?
Minty
Is a beaker good for measuring things.
No the graduated cylinder is more accurate.
What are the elements by the bolded stairs called
It's a metalloid
write all three symbols for protons, electrons, and neutrons
e-
p+
no
Draw the atomic structure of Argon
Core electrons: 10
Valence electrons:8
What is the smell for Borneol
pine
What is the electronic balance used for
To measure the mass of an object
Name the row 1A, 2A, 3A, and 4A on the periodic table
1A- Alkane metals
2A- Alkane Earth metals
3A- Halogens
4A- Noble Gases
what is the isotope symbol of Germanium
73
Ge
32
Does Mg+2 PO4 -3 follow the rule of zero charge
Yes MG3(PO4)2
Name four shapes of electrons domains
Tetrahedral, Bent, Linear, Trigonal Pyramidal
Name 5 lab tools you use in lab
Weighing boat, watch glass, striker ,scoopula, test tube.
What happens when you add nitric acid to copper
turns into a blue liquid.
Name all the models in the atomic pudding lab
Sphere, plum pudding, nuclear, solar system, and porton model.
Draw the atomic structure of Krypton

Draw the lewis dot structure of C9H21N
H H H H H H H H H
| | | | | | | | |
H-C-C-C-C-C-C-C-C-C-N-H But | is :
| | | | | | | | | |
H H H H H H H H H H