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Actinide contraction refers to the decrease in atomic and ionic radii of actinide elements as you move across the actinide series. This phenomenon is due to the poor shielding of the nuclear charge by inner electrons, leading to increased nuclear attraction on outer electrons. The consequences of actinide contraction include increased stability of higher oxidation states and differences in chemical properties compared to the lanthanides.
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Is wouldn't is a compound word?
No, it is a contraction.
Is wouldn't a compound word?
No, "wouldn't" is not a compound word. It is a contraction made up of the words "would" and "not."
Role of ionic calcium in muscle contraction?
Ionic calcium plays a crucial role in muscle contraction by binding to the protein troponin, which then allows for the movement of tropomyosin, enabling myosin heads to bind to actin filaments and form cross-bridges. This process ultimately leads to muscle fiber contraction.
What effect do calcium slow channels haveon shortening or lengthing the contraction time of the heart?
Calcium slow channels play a crucial role in cardiac muscle contraction by allowing calcium ions to enter the cell. Activation of these channels leads to an increase in intracellular calcium levels, which ultimately shortens the contraction time of the heart by promoting cross-bridge formation between actin and myosin. In contrast, inhibition of calcium slow channels would lead to a lengthening of contraction time due to reduced calcium availability for muscle contraction.
Is thermal expansion and contraction a physical change?
Yes, thermal expansion and contraction are physical changes. They result from the change in temperature of a material, causing its molecules to either spread out (expansion) or come closer together (contraction), without altering the chemical composition of the substance.
What is the contraction for were you?
There is no contraction for were you. There is no contraction for you were.There is a contraction for "you are" (you're).
what is the contraction for is not?
There is no contraction for "its not."There is a contraction for "it is" (it's).There is a contraction for "is not" (isn't).
What contraction for he's?
He's already IS a contraction. It is a contraction of he is.
What is the contraction of it has?
It's is the contraction of it has and it is.
What is the contraction of does it?
There is no contraction. There is a contraction doesn't which means "does not."
What is the contraction for I was?
There is no contraction for I was. There is a contraction for I am (I'm) and for I have (I've).
What is the contraction for we were?
There is no contraction. The contraction we're means "we are."
What is contraction for he will?
The contraction for he will is He'll
What is the contraction for were?
We're is a contraction of we are.
What is the contraction of they and have?
"They've" is the contraction for 'they' and 'have'.
What is the gramatical contraction for have not?
The grammatical contraction for "have not" is "haven't."
What is the contraction of didn't?
Didn't is a contraction of the words "did" and "not". There is no 'contraction' for this word.
