Question

characteristic number number of negatively charged particles in the electron cloud: number of postively charged particles in the nucleus 17 number of neutrally charged particles in the nucleus the name of the element represented by this atom is: chlorine (cl)

Explanation:

Step1: Determine the number of electrons (negatively charged particles)

In a neutral atom, the number of electrons (negatively charged particles in the electron cloud) is equal to the number of protons (positively charged particles in the nucleus). The number of protons is given as 17, so the number of electrons is also 17.

Step2: Determine the number of neutrons (neutrally charged particles)

The mass number of an atom is the sum of protons and neutrons. From the given numbers, the mass number here can be inferred from the context (usually, the top number in atomic notation, but here we have 34 as a possible mass - related number? Wait, actually, for chlorine, the mass number is approximately 35 (but here we have 34? Wait, maybe the numbers given: 17 is atomic number (protons), 34 might be mass number? Wait, no, the atomic number is 17 (protons), and the number of neutrons is mass number - atomic number. If we take the mass number as 34 (from the second box) and atomic number 17, then neutrons = 34 - 17 = 17? Wait, no, chlorine has a mass number of around 35, but maybe in this problem, the mass number is 34? Wait, the third box is 18? No, wait, let's re - examine. The atomic number (protons) is 17. The number of neutrons is calculated as mass number - atomic number. If we consider that the mass number is 34 (the second number), then neutrons = 34 - 17 = 17? Wait, no, maybe the numbers are: atomic number (protons) = 17, mass number = 34? Wait, but chlorine's mass number is about 35. But according to the problem's numbers, let's proceed. The number of neutrons is mass number - atomic number. So if mass number is 34 and atomic number is 17, neutrons = 34 - 17 = 17? Wait, no, the third number is 18? Wait, maybe I made a mistake. Wait, the number of neutrons: in a neutral atom, atomic number (Z) = number of protons = number of electrons. Mass number (A) = number of protons + number of neutrons. So number of neutrons = A - Z. If Z = 17, and if we take A as 34 (from the second box), then neutrons = 34 - 17 = 17. But if we take A as 35 (normal chlorine), neutrons would be 18. Wait, the third box is 18. Oh! Maybe the mass number is 17 + 18 = 35? Wait, the three boxes: 17 (atomic number, protons), 34 (maybe a typo? No, maybe the mass number is 35, and 34 is a mistake? Or maybe the numbers are atomic number (17), mass number (34), and 18 is neutrons? Wait, no, let's go back to the problem.

For the first blank (number of negatively charged particles - electrons): in a neutral atom, electrons = protons = 17.

For the second blank (number of neutrals - neutrons): neutrons = mass number - atomic number. If we take the mass number as 34 (from the second box) and atomic number 17, neutrons = 34 - 17 = 17? But that's not correct for chlorine. Wait, maybe the mass number is 17+18 = 35, and the 34 is a mistake. But according to the numbers given, if we take the third number as 18 (neutrons), then mass number = 17 + 18 = 35. But the second number is 34. Maybe the problem has a typo, but let's follow the numbers.

Wait, the first row: number of negatively charged particles (electrons) in a neutral atom is equal to the number of protons, which is 17.

The third row: number of neutrally charged particles (neutrons) = mass number - atomic number. If we take the mass number as 34 (from the second box) and atomic number 17, then neutrons = 34 - 17 = 17. But if we consider that the third box is 18, maybe the mass number is 17+18 = 35, and the 34 is a mistake. But according to the problem's given numbers, let's proceed with the calculation:

Step1: Number of negatively charged particles (electrons)

In a neutral atom, the number of electrons (negatively charged particles in the electron cloud) is equal to the number of protons (positively charged particles in the nucleus). Since the number of protons is 17, the number of electrons is also 17.

Step2: Number of neutrons (neutrally charged particles)

The number of neutrons (neutrally charged particles in the nucleus) is calculated as mass number - atomic number. The atomic number (number of protons) is 17. If we take the mass number as 34 (from the second box), then the number of neutrons is 34 - 17 = 17. But if we consider the third box (18) as the number of neutrons, then mass number = 17+18 = 35. However, based on the numbers given in the boxes (17, 34, 18), and using the formula neutrons = mass number - atomic number, with mass number = 34 and atomic number = 17, we get neutrons = 34 - 17 = 17. Wait, but that contradicts the normal chlorine. But maybe in this problem, the mass number is 34.

Answer:

Number of negatively charged particles in the electron cloud: $\boldsymbol{17}$

Number of neutrally charged particles in the nucleus: $\boldsymbol{17}$ (if mass number is 34) or $\boldsymbol{18}$ (if mass number is 35, considering the third number as neutrons). But based on the numbers 17 (protons), 34 (mass number), the calculation gives 17 neutrons.