4 years ago

What was the normal perception of a scientist up until the seventeenth century

1 answer:

8 0

Working in a factory to develop new technology

wearing a white lab coat working in a laboratory

working in the woods to study nature

collaborating with groups of peers to discuss ideas

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Atomic number + number of neutrons equals

pogonyaev

mass number because atomic number = number of protons and protons+neutrons=mass number

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3 years ago

Based upon the intermolecular forces present, rank the following substances according to the expected boiling point for the subs

Umnica [9.8K]

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3 years ago

In terms of valence electrons, explain why metals form positive ions.

diamong [38]

Answer:

Explanation:

Metal elements form positively charged ions called cations because they are located on the left side of the periodic table These elements all have valence electrons in an s orbital. These electrons are relatively easy for the atom to lose to achieve a stable octet of electrons in its outermost energy shell.

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3 years ago

1. A 225-L barrel of white wine has an initial free SO2 concentration of 22 ppm and a pH of 3.70. How much SO2 (in grams) should

Alexandra [31]

Answer:

The appropriate answer is "9.225 g".

Explanation:

Given:

Required level,

= 63 ppm

Initial concentration,

= 22 ppm