A periodic table can be used to forecast an element's properties. As we drop into a group or go across a period in the Periodic Table, we can observe a variety of patterns in the physical and chemical characteristics of the elements. The correct option is C.
Each element's location in the table provides crucial details regarding its composition, characteristics, and behavior during chemical reactions. In particular, you may determine an element's electron configuration that is, how the electrons are arranged around the nucleus by looking at where it is in the periodic table.
The group (vertical column) number in the Periodic Table can be used to calculate an element's number of valence electrons. The chemical characteristics of elements with the same number of valence electrons are comparable.
Thus the correct option is C.
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Aiden has $100 in a savings account that earns 10% annually.The interest is not compounded. How much will he have in 1 year?
Answer:
Explanation:
Sorry dunno
Homeostasis means maintaining
Your answer:
varied internal conditions.
varied offspring.
similar offspring.
stable internal conditions.
plz help this for sience
Based on this simulation, how does the greenhouse keep plants warm? Use "infrared photons" in your explanation.
(Will give brainlest.)
Question: Next, click the Glass Layers tab in the black bar at the bottom of the simulation. Use the arrow in the Options field on the right to add one or more glass panes. This simulation shows how different photons would react to a layer of glass surrounding Earth, much like an actual greenhouse. How do the sunlight photons and infrared photons react differently to the glass layer(s)?
Edmentum answer: The visible light photons pass through the glass unaffected. However, the infrared photons that Earth reflects often change direction or are absorbed back into Earth’s surface when they interact with the glass.
the greenhouse keep plants warm because allow the heat to be retained, the gases provide the heating of the Earth.
How does the greenhouse effect work for plants?The operation of greenhouses is very simple: the sun's rays pass through the roof and heat the ground, and when the heat rises, it is not dissipated, remaining in the environment because it is trapped by the roof.
The denomination of greenhouse or shelter is used when the objective is to heat the environment. This technique is important as some plants do better in warmer temperatures. Cold can cause poor seed germination and poor nutrient absorption.
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help plz?
explain what is sorted sediment. why does it occur?
Answer:
Particles become sorted on the basis of density, because of the energy of the transporting medium. High energy currents can carry larger fragments. As the energy decreases, heavier particles are deposited and lighter fragments continue to be transported. This results in sorting due to density.
Explanation:
describe one way in which rocks formed on Mount Moran.
Answer:
One way in which the rocks are formed on Mount Moran is due to the presence of intense heat and pressure. When the slabs of sedimentary rocks got buried deep beneath the Earth's surface, they have experienced intense heat and pressure. Later on, they formed into metamorphic rocks.
Explanation:
Which of the following elements have similar chemical properties to SULFUR?
A. Phosphorus and Arsenic
B. Oxygen and Selenium
C. Phosphorus and Chlorine
D. Nitrogen and Chlorine
Answer:
B:Oxygen and Selenium
Explanation:
They both have six valence electrons.
plzzzzzzz HELP in TIMED
The atomic number of iron is 26 and the atomic mass of its most common isotope is 56. How many electrons are in an atom of iron?
26
82
56
30
Answer:
26
because it just is
1. The whole world is __________________ with rocks.
2. Rocks have / have never been melted or molten at some time.
3. Bubbles / Lines in some rock were formed by chemical reactions in the rock when cool.
4. Wind and ____________________ moving over the surface break rock down into sand.
5. Soil comes from ______________________ which comes from rocks.
6. Igneous rocks come from the word _____________________ meaning fire.
7. Sedimentary rock has layers because sand / boulders are washed downstream and settle on the bottom.
8. ____________________ rock is a combination of the other two and has changed into new rock.
9. Rock can change into sand and sand can then change into ________________ over many years.
10. ________________ in farmland has a lot of living things in the top layer or horizon.
11. A huge flood happened in Washington State when a(n) ___________________ broke.
12. Only water / several things can change the shape of the land.
13. Diamonds are the _________________ substance known to us.
14. Rocks are formed by wind, ________________ heat, and water and change from one type into another.
15. Sedimentary rocks are made from sand and _____________ compressed under heat and pressure.
Answer:
The whole world is covered with rocks.
For the following question, select the correct chemical formula for the elements if they were to bong together.
Iodine and Bromine
ionic
metallic
covalent
noble
Answer:
Ionic
Explanation:
Lithium is an alkali metal and form an ionic bond by donating an electron.
Fluorine is a halogen and forms ionic bonds by accepting an electron.
The electronegativity difference between lithium (0.98) and fluorine (3.98) is 3 Pauling units. Usually, when elements have a difference of 1.7 (or 2.0) Pauling units the bond is classified as ionic.
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