A) It is composed of electrons and neutrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of protons and electrons
A) + B) - C) 0
A) have neutrons in their nuclei. B) have an equal number of neutrons and protons. C) have an equal number of electrons and protons. D) have an equal number of charged and noncharged particles.
A) digesting food B) burning wood C) cooking eggs D) breaking a pencil
A) Atomic Number B) Atomic Mass C) Alphabetical Order D) Discovery Date
A) Protons B) Protons and Neutrons C) Neutrons D) Valence Electrons
A) shape B) pH C) density D) color
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) eight protons in its nucleus.
A) protons plus the number of neutrons. B) neutrons. C) protons plus the number of electrons. D) protons.
A) They are located in the left-most column of the periodic table. B) They form negative ions with a -1 charge. C) They are extremely nonreactive. D) They are usually gases.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
A) exist in all three states of matter in normal conditions B) are all metals C) have only 1 valence electron D) are nonreactive
A) On the right side. B) In the bottom rows. C) In the middle column of the periodic table. D) On the left-most side.
A) color; smell B) number; mass C) mass;number D) location; ionization
A) 6 neutrons B) 8 neutrons C) 3 neutrons D) 12 neutrons
A) Alkaline Earth B) Noble Gases C) Alkaline Metals D) Halogens
A) Akali B) Alkaline Earth C) Noble Gases D) Halogens
A) Alkaline Earth B) Noble Gases C) Alkali D) Halogens
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) 4 B) 5 C) 2 D) 3
A) metals B) metalloids C) nonmetals
A) Ms. Watson B) Mendleev C) Einstein D) Mosely
A) alphabetically B) by date discovered C) According to atomic mass D) according to atomic number
A) Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic mass
A) protons B) neutrons C) nucleus D) electrons
A) color B) pH C) flammability D) reactivity
A) density B) shape C) texture D) pH
A) breaking B) crushing C) adding dye D) burning
A) rusting B) breaking C) precipitate forming D) burning
A) only can be seen in a few elements B) can be observed with senses C) can only be observed by changing the substance D) vary within the same element
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) it will float C) not enough information
A) meters B) kelvin C) liters D) second
A) meters B) grams C) hours D) kilograms
A) nethier accurate or precise B) precise C) both accurate and precise D) accurate
A) 1/100 B) 1/1,000 C) 100 D) 1,000
A) independent B) constant C) control D) dependent
A) length of study B) strawberries C) growth D) fertilizer
A) 0.0025m B) 2,500m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) dependent B) control C) independent D) constant
A) tongs B) beaker C) stirring rod D) graduated cylinder
A) 10 B) 16 C) 0 D) 13
A) 35 B) 19 C) 18 D) 17
A) 10 B) 14 C) 26 D) 12
A) 8 B) 2 C) 18 D) 10
A) 57 amu B) 0.57 amu C) 5.7 amu D) 115 amu
A) 3 B) 2 C) 4 D) 1
A) 89.6 mol B) 67.2 mol C) 2 mol D) 0.5 mol
A) 2.107x1024 atoms B) 21.07 atoms C) 5.8x1022 atoms D) 1.72x1023 atoms
A) 2,295ft B) 12,144ft
A) 6.75kg B) 33.3kg
A) Bohr B) Rutherford C) Dalton D) Thomson
A) Democritus B) Rutherford C) Thomson D) Chadwick
A) Bohr B) Rutherford C) Shrodinger and Heisenburg D) Thomson
A) Bohr B) Rutherford C) Dalton D) Thomson
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) Rutherford B) Chadwick C) Bohr D) Dalton
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electrons are positively charged. D) Electron number never changes.
A) smaller mass B) positive charge C) larger mass D) negative charge
A) positrons B) electrons C) protons D) neutrons
A) 1.33g/ml B) 0.33g/ml C) 3g/ml D) 72g/ml
A) 10.7g B) 17.5g C) 0.094g D) 16g |