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Elements can be defined based on the singularity of substances that make up its composition, the number of protons, the number of electrons and the atomic weight. Elements cannot be broken down into simpler substances. The number of protons and electrons will be unique for each element. The atomic weight is determined by the number of protons and neutrons.
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Is CuSO4 an example of a chemical element?
No, CuSO4 is not an example of a chemical element. It is the chemical formula for copper sulfate, which is a compound made up of the elements copper, sulfur, and oxygen. Copper (Cu) is the element in this compound.
What is the difference between iodine and tincture iodine?
Iodine is a chemical element in its pure form, while tincture of iodine is a solution of iodine in alcohol. Tincture of iodine is commonly used as an antiseptic, whereas pure iodine is used in various industrial applications and in the synthesis of chemical compounds.
What does the periodic table contain?
The four pieces of information in each box of most periodic tables are the element's name, the element's symbol, the element's average atomic weight and the element's atomic number. Other periodic tables have other information, but standard periodic tables almost always have those four.
What is are four things that indicate that a chemical change probably happened?
Four things that indicate a chemical change probably happened include color change, formation of a precipitate, evolution of gas, and change in temperature. These signs suggest that a new substance with different chemical properties has been formed.
What are the four points of DaltonS theory?
Dalton's atomic theory, proposed by John Dalton in the early 19th century, consists of four main points: All matter is composed of indivisible particles called atoms. Atoms of the same element are identical in size, mass, and other properties, while atoms of different elements differ in these properties. Atoms combine in simple, whole-number ratios to form compounds. Chemical reactions involve the rearrangement of atoms; atoms are neither created nor destroyed in a chemical reaction.
What does the abbreviation CWM stand for?
The abbreviation CWM has over thirty four different meanings. One of the meanings is Christian Witness Ministries. Another is Chemical Warfare Material.
How many meanings does the dictionry entrygivefor the word element?
four
What are the homophones for for and four?
The homophones for "for" are "four" and "fore." These words sound the same but have different meanings and spellings.
Can phosphorous be broken down by a chemical change?
no, phosphorus is an element The image shows four allotropes of phosphorus. All the same pure element, but different interatomic bond patterns. These are physical changes.
How can chromium form 2 different compounds with oxgyen?
Because chromium is a plurivalent chemical element; four oxides are known today: CrO2, CrO3, Cr2O3, Cr3O4.
What is a homophone for the word for?
A homophone for the word "for" is "four" - both words sound the same but have different meanings.
What are the top four chemical element that the ocean is made of?
Oxygen, hydrogen, sodium, and chlorine.
Give you a homophone a word that has four different meanings?
air, ere, e'er, heir and err
What is a homonym for for?
watt
Homonyms of four?
Some homonyms of "four" include "for" and "fore." These words may sound the same or similar but have different meanings.
What are four different types of chemical weathering?
The four different types of chemical weathering are hydration, oxidation, carbonic acid action and hydrolysis. Chemical weathering is a chemical reaction that erodes certain things such as building materials and rocks.
What are some different meanings of quadrilateral?
Four-sided, four-angled. Quad means four, so if it is used in geometry, it means the same thing as a quadrangle.
