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 neutrons and protons. B) have neutrons in their nuclei. C) have an equal number of charged and noncharged particles. D) have an equal number of electrons and protons.
A) burning wood B) digesting food C) cooking eggs D) breaking a pencil
A) Atomic Mass B) Atomic Number C) Alphabetical Order D) Discovery Date
A) Valence Electrons B) Protons and Neutrons C) Protons D) Neutrons
A) shape B) density C) pH D) color
A) a total of eight protons and neutrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight neutrons and electrons.
A) protons plus the number of electrons. B) neutrons. C) protons plus the number of neutrons. D) protons.
A) They are usually gases. B) They form negative ions with a -1 charge. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) They are highly reactive with both metals and nonmetals. B) They are extremely rare in nature. C) a basically nonreactive. D) They form compounds with very bright colors.
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) In the bottom rows. B) On the left-most side. C) On the right side. D) In the middle column of the periodic table.
A) color; smell B) location; ionization C) mass;number D) number; mass
A) 8 neutrons B) 12 neutrons C) 3 neutrons D) 6 neutrons
A) Noble Gases B) Alkali Metals C) Halogens D) Alkaline Earth
A) Alkaline Earth B) Halogens C) Noble Gases D) Akali
A) Noble Gases B) Alkaline Earth C) Alkali D) Halogens
A) Noble Gases B) Alkali C) Alkaline Earth D) Halogens
A) 5 B) 4 C) 2 D) 3
A) metals B) metalloids C) nonmetals
A) Einstein B) Mosely C) Ms. Watson D) Mendleev
A) alphabetically B) by date discovered C) According to atomic mass D) according to atomic number
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass
A) Atomic Mass B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Number
A) neutrons B) protons C) electrons D) nucleus
A) flammability B) reactivity C) color D) pH
A) burning B) adding dye C) breaking D) crushing
A) only can be seen in a few elements B) can only be observed by changing the substance C) vary within the same element D) can be observed with senses
A) vary within the same element B) only can be observed in a few elements C) can be observes with the senses D) cn only be observed by changing the substance
A) physical B) chemical
A) chemical B) physical
A) it will sink B) not enough information C) it will float
A) hours B) grams C) kilograms D) meters
A) both accurate and precise B) nethier accurate or precise C) precise D) accurate
A) 100 B) 1,000 C) 1/100 D) 1/1,000
A) constant B) control C) dependent D) independent
A) strawberries B) length of study C) growth D) fertilizer
A) constant B) dependent C) independent D) control
A) tongs B) beaker C) graduated cylinder D) stirring rod
A) 16 B) 0 C) 13 D) 10
A) 17 B) 18 C) 35 D) 19
A) 12 B) 14 C) 10 D) 26
A) 18 B) 10 C) 8 D) 2
A) 57 amu B) 115 amu C) 5.7 amu D) 0.57 amu
A) 1 B) 4 C) 3 D) 2
A) Dalton B) Rutherford C) Thomson D) Bohr
A) Democritus B) Chadwick C) Rutherford D) Thomson
A) Bohr B) Thomson C) Rutherford D) Shrodinger and Heisenburg
A) Bohr B) Thomson C) Dalton D) Rutherford
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) Chadwick B) Bohr C) Dalton D) Rutherford
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) larger mass B) negative charge C) positive charge D) smaller mass
A) neutrons B) protons C) positrons D) electrons
A) 72g/ml B) 3g/ml C) 0.33g/ml D) 1.33g/ml
A) 0.094g B) 10.7g C) 17.5g D) 24g |