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