b) 1 × 10^-6 g
c) 1000 g
d) 0.01 g
e) 0.001 g
f) 1 × 10^9 g
The (standard) unit of mass is gram. So, the complete name of each of the units is the name of the numerical value followed by the term "gram".
The complete names are:
In numerical representation of numbers, the meaning of the given numbers are:
deci
micro
kilo
centi
milli
giga
To complete the names, we simply add "gram" to the above representations. So, we have:
decigram
microgram
kilogram
centigram
milligram
gigagram
Read more about names of numerical values at:
Explanation:
Dehydration reaction is removal of water from a specie to give 2 distinct molecules. Dehydration reactions are common processes, the reverse of a hydration reaction. Examples of dehydrating agents are: sulfuric acid, alumina etc.
Hydrolysis reaction is the reaction of water molecules with a large molecule. Sometimes, this addition causes both substance and water molecule to split into two products, reactions like this, one fragment of the parent molecule gains a hydrogen ion.
The difference between dehydration synthesis and hydrolysis is that in one, bonds are being formed, while in the other bonds are being destroyed. In dehydration reaction, molecules are bonded together by removing water while in hydrolysis, water is added to the molecules in order to dissolve complex bonds.
The element with the electron configuration 1s² 2s² 2p⁶ 3s² 3p² is silicon (Si).
In the electron configuration notation, each number and letter represents a specific energy level (or shell) and subshell that contains electrons in an atom. The numbers indicate the energy levels (principal quantum numbers), and the letters represent the type of subshell (s, p, d, or f).
Let's break down the electron configuration for silicon (Si):
1s²: This indicates that the first energy level (n = 1) has two electrons in the s subshell.
2s²: This indicates that the second energy level (n = 2) has two electrons in the s subshell.
2p⁶: This indicates that the second energy level (n = 2) has six electrons in the p subshell.
3s²: This indicates that the third energy level (n = 3) has two electrons in the s subshell.
3p²: This indicates that the third energy level (n = 3) has two electrons in the p subshell.
To find the element with this electron configuration, we count the total number of electrons: 2 + 2 + 6 + 2 + 2 = 14 electrons. Since silicon (Si) has 14 electrons, it matches the given electron configuration.
Silicon is a chemical element in the periodic table with atomic number 14. It is a metalloid, meaning it has properties of both metals and nonmetals. Silicon is widely used in various industries, including electronics, as it is a key component of semiconductors and is crucial for modern technology.
To learn more about electron configuration, here
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B. Copper
C. Propanol
D. Water
(P.s, tysm )
The substance that cannot be decomposed by a chemical change is: B. Copper
Copper is an element, and elements cannot be broken down into simpler substances through chemical changes. Chemical changes involve the rearrangement of atoms in molecules, leading to the formation of new substances.
However, in the case of an element like copper, it is composed of only one type of atom (Cu), and it cannot be further broken down into simpler substances by a chemical reaction.
Read mroe on copper here brainly.com/question/26449005
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Answer:
sodium
Explanation: