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