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