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Which scientist was the first to describe an atomic model in which most of the atom is empty space?
Ernest Rutherford was the first scientist to describe an atomic model in which most of the atom is empty space. His model proposed that atoms have a dense positive nucleus surrounded by orbiting electrons in empty space.
One of the first people to state that matter is made up of atoms was?
The first person to state that matter is made up of atoms was the ancient Greek philosopher Democritus in the 5th century BC. He proposed that all matter is composed of indivisible particles called atoms.
The first element in a compound is positive and the second one is negative.?
false
Who proposed that the world is made up of atoms?
The idea that the world is made up of atoms was proposed by the ancient Greek philosopher, Democritus, around 400 BC. He suggested that all matter is composed of tiny, indivisible particles called atoms that are constantly in motion. This atomic theory laid the foundation for modern chemistry.
Can blood be either B positive or negative?
Not exactly. Human blood may have positive (ca. 80%) or negative (remaining 20%) Rhesus factor. It means that that a substance known as Rhesus factor is either found or not in a human blood test. Transfusion of "positive" blood to a "negative" recipient may result in very negative consequences (but not vise versa) . A problem known as Rhesus conflict may arise when a Rhesus-negative woman is pregnant with a Rhesus-positive baby.The name Rhesus factor comes from Rhesus monkey in which it was first found.
What terminal do you connect first positive or negative?
Connect positive first and negative last.Connect positive first and negative last.
Do you hook up positive or negative first?
Hook up the positive first then the negative.
When disconnecting battery which do you take off first positive or negative?
negative ( on all vehicles ) When putting on positive goes on first and negative last.
Which battery terminal do you hook up first?
Connect the positive + cable first and negative - last. When disconnecting them disconnect the negative - first and positive + last.
When installing auto battery what goes first positive or negative?
Positive goes on first.
What do you disconnect first positive or negative?
Positive, because the negative terminal is usually used as the ground plane.
Which cable do you remove first on battery of Nissan 2004 Sentra?
The negative cable is removed first, then the positive. To re-connect, the positive goes first, then the negative.
What happen when you divide negative and positive number?
When you divide or multiply positive and negative numbers, you first do the division or multiplication as normal. The next step is to assess whether or not the answer will be negative or positive. If the two numbers of the question were the same (negative and negative or positive and positive) then the answer will be positive. If the two numbers in the question were different (one negative and one positive) then the answer will be negative. Thus, if you divide a negative number by a positive number, the result will be the same as normal division, but the answer will be negative.
What are the coordinates of a point that could be in each of the four quadrants?
The coordinates must be as follows: First quadrant: positive, positive Second quadrant: negative, positive Third quadrant: negative, negative Fourth quadrant: positive, negative
How do you solve 2 times negative four squared?
first, you square negative 4. Since negative times negative is positive, then you get positive sixteen., Then positive 16 times two is 32
Is it necessary to disconnect the negtative as well as positive?
You need to disconnect the negative FIRST. For most applications, you only need to disconnect the negative. Always disconnect the negative first, always reconnect the positive first.
Do you connect a compressor's positive or negative lead to a car battery first?
Posittive first then the negative
