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