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