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What is the rule for making a ion (negative ion one with extra negative charge)?
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How does the rule of zero charge help you predict the formula of an ion compound?
The rule of zero charge states that in an ionic compound, the total positive charge from cations must equal the total negative charge from anions for the compound to be neutral. This rule allows you to determine the ratio of cations to anions in the compound, aiding in predicting the formula of the ion compound.
Is a dipole polar or nonpolar?
A dipole is polar because it has a separation of charge, with one end being more positive and the other end more negative. This charge asymmetry gives rise to a net dipole moment, making the molecule polar.
Atoms have what kinds of electric charge?
As a rule, atoms do not have a charge, that is why they are atoms.Different parts of the atom has a charge:proton - relative mass of 1 - charge of +1neutron - relative mass of 1 - charge of 0electron - relative mass of about 1/2000 - charge of -1A atom has a equal number of electons and a equal number of protons, and so no charge
Why Walden's rule not applicable to small size cations?
Walden's rule states that ions of similar size have similar properties. However, for small cations, the high charge density can lead to significant interactions with surrounding molecules, causing deviations from Walden's rule. These interactions can affect properties such as solubility and reactivity, making the rule less applicable for small cations.
Which solvents are called 'polar solvents'?
Solvents that have a partial positive and a partial negative charge, such as water, ethanol, and acetone, are called polar solvents. These solvents interact well with compounds that have charges or dipoles, making them useful for dissolving ionic or polar compounds.
What is a rule for making a negative ion which has a negative charge?
A negative ion is formed by the addition of negatively charged electrons. The protons do not change.
How is the ion of sulfur formed?
The ion of sulfur, S²-, is formed when sulfur gains two electrons. This results in the sulfur atom achieving a full outer electron shell, which is the stable electron configuration of the noble gas neon.
Charge of fluoride ion?
The charge of a fluoride ion is -1, as it gains one electron to achieve a stable electron configuration following the octet rule.
What is the rule for adding a positive and negative number?
Adding a positive and negative number, the sum will always be negative. Example: 10+-20=-10 If you add two negatives, they cancel each other out making it positive.
Do net ionic equations always obey the rule of conservation of charge?
Yes, net ionic equations must obey the rule of conservation of charge. This means that the total positive charge on one side of the equation must equal the total positive charge on the other side, and the same goes for negative charge. This ensures that charge is conserved in the reaction.
What is the fundamental rule for electric charge?
Fundamental laws of electric charges: opposite charges (positive and negative) attract, similar charges (positive and positive or negative and negative) repel, somtimes charged objects will attract a neutral object.
Why does a negative times a negative equals a positive?
It is a rule in math!
What is the rule for subtracting negative numbers?
The rule for subtracting negative numbers is 'when you are subtracting a negative number from a positive or negative, you must always add it.'Example: 3--3 = 3+3 = 6
What is the rule when multiplying a negative tims a negative?
The product is always positive.
What is the rule for making a neutral atom which has no charge?
Atoms are neutral all the time. Because there are equal number of electrons and protons in the atom it becomes an ion or charged if electrons are released or accepted by an atom. If the number of electrons are kept equal to the number of protons, the electrically neutral atoms can be made.
Does PO4 negative three charge 3 obey the octet rule?
No, a phosphate ion with a -3 charge (PO4 3-) does not obey the octet rule because the phosphorus atom has more than 8 valence electrons. It forms 5 covalent bonds to satisfy the octet rule.
What happens to electrons when they go near a negative charges?
They get repelled away from the negative charge(-) because electrons have anegative charge(-).The rule is that same polarities, in this case (-) and (-), repel each other and opposite polarities, (+) and (+), attract each other. (+) and (-) atom bonding is called Ionic bonding because the atoms have to be ions, either cations(+), or anions; to electromagneticallybond.
