1. science help pls pls

   Look at the position of Location 1, Location 2, and Location 3 in this picture. Simple diagram of a lake represented by a wavy circle. The circle is labeled 'Lake,' and there are three points outside of the lake: 'Location 1' is

2. Chemistry

   What is the nuclear charge of an atom with a mass of 23 and an atomic number of 11? (1) 11+ (2) 12+ (3) 23+ (4) 34+ How do you figure this out? Would the answer be (1) 11+ since the atomic number is 11 and atomic #=protons which

3. Chemistry

   Which trends are observed when the elements in Period 3 on the Periodic Table are considered in order of increasing atomic number? (1) The atomic radius decreases, and the first ionization energy generally increases. (2) The

4. Math please check and thank you very much

   Elements are arranged in the periodic table based on various patterns. For example, elements found in the rows near the top A. have higher atomic numbers than the elements in the rows near the bottom. B. all have the same atomic

The mass number. Is given at the top left of the elements symbol, for example, sodium has a mass number of 23. We know that the atomic number of sodium is 11. This tells us that sodium has 11. An atom has atomic number 11 and mass number 23. How many electrons does the atom have? Answers (2) Alaina Wolfe 21 February, 10:21.

Atomic Number 236

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Atomic Number 230

1. science help pls pls

   Look at the position of Location 1, Location 2, and Location 3 in this picture. Simple diagram of a lake represented by a wavy circle. The circle is labeled 'Lake,' and there are three points outside of the lake: 'Location 1' is

2. Chemistry

   What is the nuclear charge of an atom with a mass of 23 and an atomic number of 11? (1) 11+ (2) 12+ (3) 23+ (4) 34+ How do you figure this out? Would the answer be (1) 11+ since the atomic number is 11 and atomic #=protons which

3. Chemistry

   Which trends are observed when the elements in Period 3 on the Periodic Table are considered in order of increasing atomic number? (1) The atomic radius decreases, and the first ionization energy generally increases. (2) The

4. Math please check and thank you very much

   Elements are arranged in the periodic table based on various patterns. For example, elements found in the rows near the top A. have higher atomic numbers than the elements in the rows near the bottom. B. all have the same atomic

Atomic Number Chart

You can view more similar questions or ask a new question.