Part 1. Matching
Place the letter for the correct element category from the list below next to each description.
Part 2. Fill in the blank
Write the word or phrase that best completes each sentence. Choose from the following:
group, period, atomic number, periodic, metal, metalloid, nonmetal, chlorine, magnesium.
1. The elements on the periodic table are arranged in order of increasing _____________________.
2. The arrangement of the elements on the periodic table shows a predictable, repeating, ____________
pattern that allows us to predict chemical properties.
3. The elements Na, Mg, and Cu are each classified as ___________________ elements.
4. When elements are located in the same ______ they exhibit similar chemical and physical properties.
5. The element ________ is an example of an element that is classified as a nonmetal.
Part 3. Classifying
For each electron configuration identify the element and decide which group the element belongs to on the
periodic table. (Hint: Find the total number of electrons for each and refer to page 186 in your Student
Book to determine the element and group number.
Electron configuration Element Group number
1. 1s2
2s22p6.
2. 1s2
2s22p6
3s2.
3. 1s2
2s2
2p6
3s2
3p6
.
4. 1s2
2s2
2p6
3s2
3p6
4s2
.
5. 1s2
2s22p6
3s23p3.
A NATURAL APPROACH TO CHEMISTRY
_______
_______
_______
_______
_______ _______
_______
_______
_______
_______
1. ___ The element sodium (Na) belongs to this group of elements.
2. ___ These elements are not likely to chemically bond with other elements.
3. ___ These elements are located in the center of the periodic table.
4. ___ These elements tend to gain one electron to fill their outer shell and are sometimes colored gases.
5. ___ These elements have two electrons in their highest unfilled energy level.

Answer:

Try asking a friend or teacher

Explanation:

helps better than this site because alot of the answers are different even though they might of had the same test

Alien Periodic Table

2) A student was working on an investigation to measure the relative activity
of an enzyme at various pH values. He collected the following data:
pH 2, enzyme activity 10; pH 8, enzyme activity 50;
pH 12, enzyme activity 10; pH 4, enzyme activity 20;
pH 6, enzyme activity 40; pH 10, enzyme activity 40

What is the main point of mutation ?
quick please !!

Which sublevel comes after 4d orbital

An object is either copper or brass. The density of copper is 8.96g/ml. The density of brass is 8.73g/mL. I find that my object is 10.08
and has a volume of 1.15mL. What is my object made of?
Your answer:
O Copper
O Brass
O Cannot tell from the information given

I WILL GIVE U BRAINLIEST IF U HELP ME!!!!!

(GIVING BRAINLIEST)
Balance each of the following chemical equations below

Which pair of atoms are isotopes of each other?
a
oxygen-16 and oxygen-18
carbon-14 and nitrogen-14
iodine-131 and iodine-131
e
d
radium-222 and radon-222

On July 8th, I will be 8.51472x108 seconds old. How old will I be in years? (Assume 365 days in a year.)
step by step

First to answer both CORRECTLY gets brainleist!

place the items in order from highest to lowest degree of internal organization.

tissue
organ system
organ
cell

Put them in order please PLEASE​

How much does a sample of C6H12O6 weigh if it contains 1.7 x 10^28 hydrogen atoms?

Plz help or I get a zero!!!!!
Name the order of the planets from closest to the sun to farthest.
Sun, _________________, _________________, _________________, _________________,
_________________, _________________, _________________, _________________, Pluto
7. Name the inner planets.
Circle the correct term for inner planets: terrestrial (rocky) or gaseous
8. Name the outer planets.
Circle the correct term for outer planets: terrestrial (rocky) or gaseous

Question 4 (4 points)
Special bonds formed because of electrostatic interaction between molecules are called

A.intermolecular forces
B. intramolecular forces
C.permanent forces
D.magnetic forces

Which periodic gruop has the smallest atomic radiis

Which element has four times as many protons in its nucleus than are found in Neon?

Can someone check if I did this right pls

A block weighing 13.15 grams has sides of 11.5 cm, 5.75 cm, and 8.44 cm. What is the density of the block in g/cm?
0.519 g/cm3
0.0236 g/cm3
42.4 g/cm
1.95 g/cm​

Eugene describes the physical property of a material as “sweet and floral.” What physical property of the material is Eugene most likely observing?

boiling point
shape
hardness
odor

Wich statement best describes the progress of science

WHAT MAKES ELECTRONS JUMP TO OTHER ORBITS AROUND THE NUCLEUS THEN FALL AGAIN​

1.The diagram below shows the stages of a land feature being formed over
time.
Stage 1
Stage 2
Stage 3
How has the area been
reshaped over time?

How can we gather more evidence about weather lava or water formed the channel on Mars

What satement is true the about atomic mass?

A glass of milk occupies a volume of 50.0 mL and has a mass of 52.0. what is its density

Urgent please help!!
Which of these is a chemical property of a substance?
A) texture
B) ductility
C) reactivity
D) conductivity

What is the freezing point on this graph?

what best explains the cause of strong winds on a island?​

3. Except for the bolt, note the difference between the calculated volumes and the volume
found by the displacement method. Which method is more accurate? Why?

Which of the following d shell configurations is likely to be the best magnet?​