A) It is composed of protons only B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) - B) + C) 0
A) have an equal number of electrons and protons. B) have neutrons in their nuclei. C) have an equal number of neutrons and protons. D) have an equal number of charged and noncharged particles.
A) breaking a pencil B) burning wood C) digesting food D) cooking eggs
A) Discovery Date B) Atomic Mass C) Alphabetical Order D) Atomic Number
A) Protons B) Protons and Neutrons C) Valence Electrons D) Neutrons
A) pH B) density C) shape D) color
A) a total of eight protons and neutrons. B) a total of eight neutrons and electrons. C) eight protons in its nucleus. D) eight neutrons in its nucleus.
A) neutrons. B) protons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They form negative ions with a -1 charge. B) They are usually gases. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) They form compounds with very bright colors. B) They are highly reactive with both metals and nonmetals. C) They are extremely rare in nature. D) a basically nonreactive.
A) are all metals B) exist in all three states of matter in normal conditions C) are nonreactive D) have only 1 valence electron
A) In the middle column of the periodic table. B) In the bottom rows. C) On the left-most side. D) On the right side.
A) color; smell B) location; ionization C) number; mass D) mass;number
A) 8 neutrons B) 12 neutrons C) 6 neutrons D) 3 neutrons
A) Noble Gases B) Halogens C) Alkali Metals D) Alkaline Earth
A) Akali B) Noble Gases C) Alkaline Earth D) Halogens
A) Alkali B) Noble Gases C) Alkaline Earth D) Halogens
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) 3 B) 5 C) 2 D) 4
A) metals B) nonmetals C) metalloids
A) Mosely B) Ms. Watson C) Einstein D) Mendleev
A) alphabetically B) according to atomic number C) According to atomic mass D) by date discovered
A) Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) protons B) electrons C) neutrons D) nucleus
A) color B) reactivity C) pH D) flammability
A) adding dye B) breaking C) crushing D) burning
A) only can be seen in a few elements B) vary within the same element C) can only be observed by changing the substance D) can be observed with senses
A) only can be observed in a few elements B) cn only be observed by changing the substance C) vary within the same element D) can be observes with the senses
A) physical B) chemical
A) physical B) chemical
A) not enough information B) it will sink C) it will float
A) kilograms B) grams C) meters D) hours
A) both accurate and precise B) nethier accurate or precise C) accurate D) precise
A) 1,000 B) 1/1,000 C) 1/100 D) 100
A) dependent B) control C) constant D) independent
A) length of study B) strawberries C) growth D) fertilizer
A) control B) constant C) independent D) dependent
A) tongs B) graduated cylinder C) beaker D) stirring rod
A) 16 B) 13 C) 0 D) 10
A) 17 B) 19 C) 35 D) 18
A) 26 B) 12 C) 10 D) 14
A) 18 B) 2 C) 10 D) 8
A) 5.7 amu B) 0.57 amu C) 115 amu D) 57 amu
A) 1 B) 2 C) 3 D) 4
A) Thomson B) Dalton C) Rutherford D) Bohr
A) Thomson B) Chadwick C) Rutherford D) Democritus
A) Bohr B) Rutherford C) Thomson D) Shrodinger and Heisenburg
A) Thomson B) Rutherford C) Dalton D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Bohr B) Rutherford C) Dalton D) Chadwick
A) Electrons are positively charged. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electron number never changes. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) smaller mass B) larger mass C) negative charge D) positive charge
A) neutrons B) electrons C) positrons D) protons
A) 3g/ml B) 72g/ml C) 1.33g/ml D) 0.33g/ml
A) 0.094g B) 24g C) 17.5g D) 10.7g |