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